21167142631733 has 8 divisors (see below), whose sum is σ = 24191542993920. Its totient is φ = 18142872980400.

The previous prime is 21167142631693. The next prime is 21167142631777. The reversal of 21167142631733 is 33713624176112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-21167142631733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21167142633733) 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, 32330453 + ... + 32978666.

It is an arithmetic number, because the mean of its divisors is an integer number (3023942874240).

Almost surely, 2^{21167142631733} is an apocalyptic number.

It is an amenable number.

21167142631733 is a deficient number, since it is larger than the sum of its proper divisors (3024400362187).

21167142631733 is an equidigital number, since it uses as much as digits as its factorization.

21167142631733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65355427.

The product of its digits is 762048, while the sum is 47.

The spelling of 21167142631733 in words is "twenty-one trillion, one hundred sixty-seven billion, one hundred forty-two million, six hundred thirty-one thousand, seven hundred thirty-three".