165012901530 has 16 divisors (see below), whose sum is σ = 396030963744. Its totient is φ = 44003440400.

The previous prime is 165012901523. The next prime is 165012901549. The reversal of 165012901530 is 35109210561.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 165012901491 and 165012901500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2750214996 + ... + 2750215055.

It is an arithmetic number, because the mean of its divisors is an integer number (24751935234).

Almost surely, 2^165012901530 is an apocalyptic number.

165012901530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165012901530 is an abundant number, since it is smaller than the sum of its proper divisors (231018062214).

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

165012901530 is a wasteful number, since it uses less digits than its factorization.

165012901530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500430061.

The product of its (nonzero) digits is 8100, while the sum is 33.

The spelling of 165012901530 in words is "one hundred sixty-five billion, twelve million, nine hundred one thousand, five hundred thirty".