162799951 has 4 divisors (see below), whose sum is σ = 163330552. Its totient is φ = 162269352.

The previous prime is 162799943. The next prime is 162799979. The reversal of 162799951 is 159997261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 159997261 = 421 ⋅380041.

It is a cyclic number.

It is not a de Polignac number, because 162799951 - 2³ = 162799943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162799895 and 162799904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162799921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264840 + ... + 265453.

It is an arithmetic number, because the mean of its divisors is an integer number (40832638).

Almost surely, 2^162799951 is an apocalyptic number.

162799951 is a deficient number, since it is larger than the sum of its proper divisors (530601).

162799951 is an equidigital number, since it uses as much as digits as its factorization.

162799951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530600.

The product of its digits is 306180, while the sum is 49.

The square root of 162799951 is about 12759.3084060226. The cubic root of 162799951 is about 546.0319935007.

The spelling of 162799951 in words is "one hundred sixty-two million, seven hundred ninety-nine thousand, nine hundred fifty-one".