165957446 has 16 divisors (see below), whose sum is σ = 257832960. Its totient is φ = 80031240.

The previous prime is 165957437. The next prime is 165957497. The reversal of 165957446 is 644759561.

165957446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 165957446.

It is a congruent number.

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, 14675 + ... + 23393.

It is an arithmetic number, because the mean of its divisors is an integer number (16114560).

Almost surely, 2^165957446 is an apocalyptic number.

165957446 is a deficient number, since it is larger than the sum of its proper divisors (91875514).

165957446 is a wasteful number, since it uses less digits than its factorization.

165957446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9059.

The product of its digits is 907200, while the sum is 47.

The square root of 165957446 is about 12882.4472054032. The cubic root of 165957446 is about 549.5394999429.

The spelling of 165957446 in words is "one hundred sixty-five million, nine hundred fifty-seven thousand, four hundred forty-six".