165065513370 has 32 divisors (see below), whose sum is σ = 396471983040. Its totient is φ = 43982497920.

The previous prime is 165065513359. The next prime is 165065513387. The reversal of 165065513370 is 73315560561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2147371 + ... + 2222910.

It is an arithmetic number, because the mean of its divisors is an integer number (12389749470).

Almost surely, 2^165065513370 is an apocalyptic number.

165065513370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165065513370 is an abundant number, since it is smaller than the sum of its proper divisors (231406469670).

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

165065513370 is a wasteful number, since it uses less digits than its factorization.

165065513370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371550.

The product of its (nonzero) digits is 283500, while the sum is 42.

The spelling of 165065513370 in words is "one hundred sixty-five billion, sixty-five million, five hundred thirteen thousand, three hundred seventy".