162946857 has 8 divisors (see below), whose sum is σ = 221361984. Its totient is φ = 106581488.

The previous prime is 162946837. The next prime is 162946867. The reversal of 162946857 is 758649261.

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

It is a cyclic number.

It is not a de Polignac number, because 162946857 - 2¹¹ = 162944809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162946837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512253 + ... + 512570.

It is an arithmetic number, because the mean of its divisors is an integer number (27670248).

Almost surely, 2^162946857 is an apocalyptic number.

It is an amenable number.

162946857 is a deficient number, since it is larger than the sum of its proper divisors (58415127).

162946857 is a wasteful number, since it uses less digits than its factorization.

162946857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024879.

The product of its digits is 725760, while the sum is 48.

The square root of 162946857 is about 12765.0639246343. The cubic root of 162946857 is about 546.1961853194.

The spelling of 162946857 in words is "one hundred sixty-two million, nine hundred forty-six thousand, eight hundred fifty-seven".