21160167351 has 8 divisors (see below), whose sum is σ = 28214269824. Its totient is φ = 14106421560.

The previous prime is 21160167317. The next prime is 21160167383. The reversal of 21160167351 is 15376106112.

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

It is not a de Polignac number, because 21160167351 - 2¹¹ = 21160165303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160167151) 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, 118056 + ... + 237186.

It is an arithmetic number, because the mean of its divisors is an integer number (3526783728).

Almost surely, 2^21160167351 is an apocalyptic number.

21160167351 is a deficient number, since it is larger than the sum of its proper divisors (7054102473).

21160167351 is a wasteful number, since it uses less digits than its factorization.

21160167351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178341.

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 21160167351 in words is "twenty-one billion, one hundred sixty million, one hundred sixty-seven thousand, three hundred fifty-one".