162686428 has 6 divisors (see below), whose sum is σ = 284701256. Its totient is φ = 81343212.

The previous prime is 162686399. The next prime is 162686471. The reversal of 162686428 is 824686261.

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, 20335800 + ... + 20335807.

Almost surely, 2^162686428 is an apocalyptic number.

It is an amenable number.

162686428 is a deficient number, since it is larger than the sum of its proper divisors (122014828).

162686428 is a wasteful number, since it uses less digits than its factorization.

162686428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40671611 (or 40671609 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 162686428 is about 12754.8589956926. The cubic root of 162686428 is about 545.9050450517.

The spelling of 162686428 in words is "one hundred sixty-two million, six hundred eighty-six thousand, four hundred twenty-eight".