816011974 has 8 divisors (see below), whose sum is σ = 1230427008. Its totient is φ = 405869640.

The previous prime is 816011953. The next prime is 816012011. The reversal of 816011974 is 479110618.

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

It is a super-2 number, since 2×816011974² = 1331751083422753352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067697 + ... + 1068460.

It is an arithmetic number, because the mean of its divisors is an integer number (153803376).

Almost surely, 2^816011974 is an apocalyptic number.

816011974 is a deficient number, since it is larger than the sum of its proper divisors (414415034).

816011974 is a wasteful number, since it uses less digits than its factorization.

816011974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136350.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 816011974 is about 28565.9233003241. The cubic root of 816011974 is about 934.4703164383.

The spelling of 816011974 in words is "eight hundred sixteen million, eleven thousand, nine hundred seventy-four".