153165332443550 has 48 divisors (see below), whose sum is σ = 326796091345440. Its totient is φ = 52318609541760.

The previous prime is 153165332443549. The next prime is 153165332443679. The reversal of 153165332443550 is 55344233561351.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

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, 813317069 + ... + 813505368.

It is an arithmetic number, because the mean of its divisors is an integer number (6808251903030).

Almost surely, 2^{153165332443550} is an apocalyptic number.

153165332443550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153165332443550 is an abundant number, since it is smaller than the sum of its proper divisors (173630758901890).

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

153165332443550 is a wasteful number, since it uses less digits than its factorization.

153165332443550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626822725 (or 1626822720 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 50.

The spelling of 153165332443550 in words is "one hundred fifty-three trillion, one hundred sixty-five billion, three hundred thirty-two million, four hundred forty-three thousand, five hundred fifty".