165970498 has 8 divisors (see below), whose sum is σ = 250043580. Its totient is φ = 82622640.

The previous prime is 165970477. The next prime is 165970499. The reversal of 165970498 is 894079561.

It can be written as a sum of positive squares in 2 ways, for example, as 150970369 + 15000129 = 12287^2 + 3873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (165970499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180733 + ... + 181648.

Almost surely, 2^165970498 is an apocalyptic number.

165970498 is a deficient number, since it is larger than the sum of its proper divisors (84073082).

165970498 is a wasteful number, since it uses less digits than its factorization.

165970498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362612.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 165970498 is about 12882.9537762114. The cubic root of 165970498 is about 549.5539060486.

The spelling of 165970498 in words is "one hundred sixty-five million, nine hundred seventy thousand, four hundred ninety-eight".