162951890929 has 9 divisors (see below), whose sum is σ = 170354499609. Its totient is φ = 155858145300.

The previous prime is 162951890921. The next prime is 162951890989. The reversal of 162951890929 is 929098159261.

The square root of 162951890929 is 403673.

It is a perfect power (a square), and thus also a powerful number.

162951890929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 162951890929 - 2³ = 162951890921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162951890921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9275704 + ... + 9293254.

Almost surely, 2^162951890929 is an apocalyptic number.

162951890929 is the 403673-rd square number.

162951890929 is the 201837-th centered octagonal number.

It is an amenable number.

162951890929 is a deficient number, since it is larger than the sum of its proper divisors (7402608680).

162951890929 is an frugal number, since it uses more digits than its factorization.

162951890929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35148 (or 17574 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 61.

The spelling of 162951890929 in words is "one hundred sixty-two billion, nine hundred fifty-one million, eight hundred ninety thousand, nine hundred twenty-nine".