155698512368 has 20 divisors (see below), whose sum is σ = 344760991920. Its totient is φ = 66727933824.

The previous prime is 155698512349. The next prime is 155698512379. The reversal of 155698512368 is 863215896551.

It is a super-4 number, since 4×155698512368⁴ (a number of 46 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695082533 + ... + 695082756.

It is an arithmetic number, because the mean of its divisors is an integer number (17238049596).

Almost surely, 2^155698512368 is an apocalyptic number.

It is an amenable number.

155698512368 is an abundant number, since it is smaller than the sum of its proper divisors (189062479552).

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

155698512368 is a wasteful number, since it uses less digits than its factorization.

155698512368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390165304 (or 1390165298 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 59.

The spelling of 155698512368 in words is "one hundred fifty-five billion, six hundred ninety-eight million, five hundred twelve thousand, three hundred sixty-eight".