162574479551 has 4 divisors (see below), whose sum is σ = 177353977704. Its totient is φ = 147794981400.

The previous prime is 162574479541. The next prime is 162574479601. The reversal of 162574479551 is 155974475261.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-162574479551 is a prime.

It is a super-2 number, since 2×162574479551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162574479541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7389749060 + ... + 7389749081.

It is an arithmetic number, because the mean of its divisors is an integer number (44338494426).

Almost surely, 2^162574479551 is an apocalyptic number.

162574479551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

162574479551 is a deficient number, since it is larger than the sum of its proper divisors (14779498153).

162574479551 is a wasteful number, since it uses less digits than its factorization.

162574479551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14779498152.

The product of its digits is 10584000, while the sum is 56.

The spelling of 162574479551 in words is "one hundred sixty-two billion, five hundred seventy-four million, four hundred seventy-nine thousand, five hundred fifty-one".