21167336030 has 16 divisors (see below), whose sum is σ = 38106996480. Its totient is φ = 8465647392.

The previous prime is 21167336017. The next prime is 21167336033. The reversal of 21167336030 is 3063376112.

It is a super-2 number, since 2×21167336030² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21167336033) 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, 90329 + ... + 224708.

It is an arithmetic number, because the mean of its divisors is an integer number (2381687280).

Almost surely, 2^21167336030 is an apocalyptic number.

21167336030 is a deficient number, since it is larger than the sum of its proper divisors (16939660450).

21167336030 is a wasteful number, since it uses less digits than its factorization.

21167336030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321763.

The product of its (nonzero) digits is 13608, while the sum is 32.

The spelling of 21167336030 in words is "twenty-one billion, one hundred sixty-seven million, three hundred thirty-six thousand, thirty".