21167466201 has 24 divisors (see below), whose sum is σ = 35014921344. Its totient is φ = 12070840320.

The previous prime is 21167466181. The next prime is 21167466227. The reversal of 21167466201 is 10266476112.

21167466201 is a `hidden beast` number, since 21 + 1 + 6 + 7 + 4 + 6 + 620 + 1 = 666.

It is not a de Polignac number, because 21167466201 - 2⁵ = 21167466169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21167466601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314280 + ... + 375641.

It is an arithmetic number, because the mean of its divisors is an integer number (1458955056).

Almost surely, 2^21167466201 is an apocalyptic number.

21167466201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21167466201 is a deficient number, since it is larger than the sum of its proper divisors (13847455143).

21167466201 is a wasteful number, since it uses less digits than its factorization.

21167466201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690421 (or 690418 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 21167466201 in words is "twenty-one billion, one hundred sixty-seven million, four hundred sixty-six thousand, two hundred one".