816914053654 has 32 divisors (see below), whose sum is σ = 1345994262720. Its totient is φ = 370122289152.

The previous prime is 816914053601. The next prime is 816914053667. The reversal of 816914053654 is 456350419618.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825474 + ... + 1521589.

It is an arithmetic number, because the mean of its divisors is an integer number (42062320710).

Almost surely, 2^816914053654 is an apocalyptic number.

816914053654 is a deficient number, since it is larger than the sum of its proper divisors (529080209066).

816914053654 is a wasteful number, since it uses less digits than its factorization.

816914053654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347464.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 816914053654 in words is "eight hundred sixteen billion, nine hundred fourteen million, fifty-three thousand, six hundred fifty-four".