155096635680 has 864 divisors, whose sum is σ = 649260323712. Its totient is φ = 34249236480.

The previous prime is 155096635669. The next prime is 155096635691. The reversal of 155096635680 is 86536690551.

It is a happy number.

155096635680 is a `hidden beast` number, since 1 + 5 + 509 + 6 + 6 + 3 + 56 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (155096635669) and next prime (155096635691).

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 261545464 + ... + 261546056.

It is an arithmetic number, because the mean of its divisors is an integer number (751458708).

Almost surely, 2^155096635680 is an apocalyptic number.

155096635680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155096635680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324630161856).

155096635680 is an abundant number, since it is smaller than the sum of its proper divisors (494163688032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155096635680 is an equidigital number, since it uses as much as digits as its factorization.

155096635680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 155096635680 in words is "one hundred fifty-five billion, ninety-six million, six hundred thirty-five thousand, six hundred eighty".