21164062262 has 24 divisors (see below), whose sum is σ = 36983315016. Its totient is φ = 9057003648.

The previous prime is 21164062261. The next prime is 21164062291. The reversal of 21164062262 is 26226046112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21164062261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91163 + ... + 225030.

It is an arithmetic number, because the mean of its divisors is an integer number (1540971459).

Almost surely, 2^21164062262 is an apocalyptic number.

21164062262 is a deficient number, since it is larger than the sum of its proper divisors (15819252754).

21164062262 is a wasteful number, since it uses less digits than its factorization.

21164062262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316892 (or 316885 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 21164062262 in words is "twenty-one billion, one hundred sixty-four million, sixty-two thousand, two hundred sixty-two".