916681894 has 8 divisors (see below), whose sum is σ = 1375201368. Its totient is φ = 458281440.

The previous prime is 916681889. The next prime is 916681903. The reversal of 916681894 is 498186619.

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

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, 7027 + ... + 43390.

It is an arithmetic number, because the mean of its divisors is an integer number (171900171).

Almost surely, 2^916681894 is an apocalyptic number.

916681894 is a deficient number, since it is larger than the sum of its proper divisors (458519474).

916681894 is a wasteful number, since it uses less digits than its factorization.

916681894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59510.

The product of its digits is 746496, while the sum is 52.

The square root of 916681894 is about 30276.7550110642. The cubic root of 916681894 is about 971.4181594307.

The spelling of 916681894 in words is "nine hundred sixteen million, six hundred eighty-one thousand, eight hundred ninety-four".