165420352 has 14 divisors (see below), whose sum is σ = 328256138. Its totient is φ = 82710144.

The previous prime is 165420331. The next prime is 165420373. The reversal of 165420352 is 253024561.

It is an interprime number because it is at equal distance from previous prime (165420331) and next prime (165420373).

It can be written as a sum of positive squares in only one way, i.e., 93238336 + 72182016 = 9656^2 + 8496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 165420352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292283 + ... + 1292410.

It is an arithmetic number, because the mean of its divisors is an integer number (23446867).

Almost surely, 2^165420352 is an apocalyptic number.

It is an amenable number.

165420352 is a deficient number, since it is larger than the sum of its proper divisors (162835786).

165420352 is an equidigital number, since it uses as much as digits as its factorization.

165420352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584705 (or 2584695 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 165420352 is about 12861.5843503046. The cubic root of 165420352 is about 548.9460278305.

The spelling of 165420352 in words is "one hundred sixty-five million, four hundred twenty thousand, three hundred fifty-two".