162451992 has 16 divisors (see below), whose sum is σ = 406130040. Its totient is φ = 54150656.

The previous prime is 162451973. The next prime is 162452009. The reversal of 162451992 is 299154261.

It is a self number, because there is not a number n which added to its sum of digits gives 162451992.

It is a congruent number.

It is an unprimeable number.

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, 3384393 + ... + 3384440.

Almost surely, 2^162451992 is an apocalyptic number.

162451992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162451992 is an abundant number, since it is smaller than the sum of its proper divisors (243678048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162451992 is a wasteful number, since it uses less digits than its factorization.

162451992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768842 (or 6768838 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 162451992 is about 12745.6656162007. The cubic root of 162451992 is about 545.6426971714.

The spelling of 162451992 in words is "one hundred sixty-two million, four hundred fifty-one thousand, nine hundred ninety-two".