165232656570 has 16 divisors (see below), whose sum is σ = 396558375840. Its totient is φ = 44062041744.

The previous prime is 165232656557. The next prime is 165232656583. The reversal of 165232656570 is 75656232561.

It is an interprime number because it is at equal distance from previous prime (165232656557) and next prime (165232656583).

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, 2753877580 + ... + 2753877639.

It is an arithmetic number, because the mean of its divisors is an integer number (24784898490).

Almost surely, 2^165232656570 is an apocalyptic number.

165232656570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165232656570 is an abundant number, since it is smaller than the sum of its proper divisors (231325719270).

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

165232656570 is a wasteful number, since it uses less digits than its factorization.

165232656570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507755229.

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 165232656570 in words is "one hundred sixty-five billion, two hundred thirty-two million, six hundred fifty-six thousand, five hundred seventy".