155620833822 has 96 divisors (see below), whose sum is σ = 351722577024. Its totient is φ = 51569460000.

The previous prime is 155620833817. The next prime is 155620833829. The reversal of 155620833822 is 228338026551.

155620833822 is a `hidden beast` number, since 1 + 5 + 562 + 0 + 8 + 3 + 3 + 82 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155620833829) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96002172 + ... + 96003792.

It is an arithmetic number, because the mean of its divisors is an integer number (3663776844).

Almost surely, 2^155620833822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155620833822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175861288512).

155620833822 is an abundant number, since it is smaller than the sum of its proper divisors (196101743202).

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

155620833822 is a wasteful number, since it uses less digits than its factorization.

155620833822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 155620833822 in words is "one hundred fifty-five billion, six hundred twenty million, eight hundred thirty-three thousand, eight hundred twenty-two".