21076068967 has 8 divisors (see below), whose sum is σ = 21172125600. Its totient is φ = 20980220544.

The previous prime is 21076068961. The next prime is 21076068989. The reversal of 21076068967 is 76986067012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21076068967 - 2¹¹ = 21076066919 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 (21076068961) 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, 152683 + ... + 255859.

It is an arithmetic number, because the mean of its divisors is an integer number (2646515700).

Almost surely, 2^21076068967 is an apocalyptic number.

21076068967 is a deficient number, since it is larger than the sum of its proper divisors (96056633).

21076068967 is a wasteful number, since it uses less digits than its factorization.

21076068967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104105.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 21076068967 in words is "twenty-one billion, seventy-six million, sixty-eight thousand, nine hundred sixty-seven".