21364165331151 has 8 divisors (see below), whose sum is σ = 28488333707904. Its totient is φ = 14241386920920.

The previous prime is 21364165331141. The next prime is 21364165331203. The reversal of 21364165331151 is 15113356146312.

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

It is not a de Polignac number, because 21364165331151 - 2¹⁵ = 21364165298383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21364165331141) 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, 347455765 + ... + 347517246.

It is an arithmetic number, because the mean of its divisors is an integer number (3561041713488).

Almost surely, 2^{21364165331151} is an apocalyptic number.

21364165331151 is a deficient number, since it is larger than the sum of its proper divisors (7124168376753).

21364165331151 is a wasteful number, since it uses less digits than its factorization.

21364165331151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694983261.

The product of its digits is 194400, while the sum is 42.

The spelling of 21364165331151 in words is "twenty-one trillion, three hundred sixty-four billion, one hundred sixty-five million, three hundred thirty-one thousand, one hundred fifty-one".