165064634 has 32 divisors (see below), whose sum is σ = 292896000. Its totient is φ = 69725040.

The previous prime is 165064621. The next prime is 165064643. The reversal of 165064634 is 436460561.

It is a junction number, because it is equal to n+sod(n) for n = 165064594 and 165064603.

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, 47012 + ... + 50400.

It is an arithmetic number, because the mean of its divisors is an integer number (9153000).

Almost surely, 2^165064634 is an apocalyptic number.

165064634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

165064634 is a deficient number, since it is larger than the sum of its proper divisors (127831366).

165064634 is an equidigital number, since it uses as much as digits as its factorization.

165064634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483 (or 3469 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 165064634 is about 12847.7482073708. The cubic root of 165064634 is about 548.5522630630.

The spelling of 165064634 in words is "one hundred sixty-five million, sixty-four thousand, six hundred thirty-four".