921416967 has 6 divisors (see below), whose sum is σ = 1330935632. Its totient is φ = 614277972.

The previous prime is 921416963. The next prime is 921416981. The reversal of 921416967 is 769614129.

It is not a de Polignac number, because 921416967 - 2² = 921416963 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921416963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51189823 + ... + 51189840.

Almost surely, 2^921416967 is an apocalyptic number.

921416967 is a deficient number, since it is larger than the sum of its proper divisors (409518665).

921416967 is a wasteful number, since it uses less digits than its factorization.

921416967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102379669 (or 102379666 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 921416967 is about 30354.8507985132. The cubic root of 921416967 is about 973.0878912024.

The spelling of 921416967 in words is "nine hundred twenty-one million, four hundred sixteen thousand, nine hundred sixty-seven".