21473556162 has 32 divisors (see below), whose sum is σ = 43051694400. Its totient is φ = 7140446208.

The previous prime is 21473556133. The next prime is 21473556197. The reversal of 21473556162 is 26165537412.

It is a super-3 number, since 3×21473556162³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5004514 + ... + 5008802.

It is an arithmetic number, because the mean of its divisors is an integer number (1345365450).

Almost surely, 2^21473556162 is an apocalyptic number.

21473556162 is an abundant number, since it is smaller than the sum of its proper divisors (21578138238).

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

21473556162 is a wasteful number, since it uses less digits than its factorization.

21473556162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6130.

The product of its digits is 302400, while the sum is 42.

The spelling of 21473556162 in words is "twenty-one billion, four hundred seventy-three million, five hundred fifty-six thousand, one hundred sixty-two".