155583360790 has 64 divisors (see below), whose sum is σ = 339623165952. Its totient is φ = 50539132800.

The previous prime is 155583360773. The next prime is 155583360857. The reversal of 155583360790 is 97063385551.

It is a super-2 number, since 2×155583360790² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1710502 + ... + 1799161.

It is an arithmetic number, because the mean of its divisors is an integer number (5306611968).

Almost surely, 2^155583360790 is an apocalyptic number.

155583360790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155583360790 is an abundant number, since it is smaller than the sum of its proper divisors (184039805162).

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

155583360790 is a wasteful number, since it uses less digits than its factorization.

155583360790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509725.

The product of its (nonzero) digits is 3402000, while the sum is 52.

The spelling of 155583360790 in words is "one hundred fifty-five billion, five hundred eighty-three million, three hundred sixty thousand, seven hundred ninety".