155827089946 has 8 divisors (see below), whose sum is σ = 254989783584. Its totient is φ = 70830495420.

The previous prime is 155827089907. The next prime is 155827089989. The reversal of 155827089946 is 649980728551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×155827089946³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 3541524750 + ... + 3541524793.

It is an arithmetic number, because the mean of its divisors is an integer number (31873722948).

Almost surely, 2^155827089946 is an apocalyptic number.

155827089946 is a deficient number, since it is larger than the sum of its proper divisors (99162693638).

155827089946 is a wasteful number, since it uses less digits than its factorization.

155827089946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7083049556.

The product of its (nonzero) digits is 43545600, while the sum is 64.

The spelling of 155827089946 in words is "one hundred fifty-five billion, eight hundred twenty-seven million, eighty-nine thousand, nine hundred forty-six".