155696484384 has 144 divisors (see below), whose sum is σ = 507449359872. Its totient is φ = 44358488064.

The previous prime is 155696484373. The next prime is 155696484397. The reversal of 155696484384 is 483484696551.

155696484384 is a `hidden beast` number, since 1 + 5 + 569 + 64 + 8 + 4 + 3 + 8 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 602257 + ... + 821039.

It is an arithmetic number, because the mean of its divisors is an integer number (3523953888).

Almost surely, 2^155696484384 is an apocalyptic number.

155696484384 is a gapful number since it is divisible by the number (14) 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 155696484384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253724679936).

155696484384 is an abundant number, since it is smaller than the sum of its proper divisors (351752875488).

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

155696484384 is a wasteful number, since it uses less digits than its factorization.

155696484384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219159 (or 219148 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 63.

The spelling of 155696484384 in words is "one hundred fifty-five billion, six hundred ninety-six million, four hundred eighty-four thousand, three hundred eighty-four".