616920862 has 4 divisors (see below), whose sum is σ = 925381296. Its totient is φ = 308460430.

The previous prime is 616920853. The next prime is 616920893. The reversal of 616920862 is 268029616.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154230214 + ... + 154230217.

It is an arithmetic number, because the mean of its divisors is an integer number (231345324).

Almost surely, 2^616920862 is an apocalyptic number.

616920862 is a deficient number, since it is larger than the sum of its proper divisors (308460434).

616920862 is a wasteful number, since it uses less digits than its factorization.

616920862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308460433.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 616920862 is about 24837.8916577072. The cubic root of 616920862 is about 851.2879491995.

The spelling of 616920862 in words is "six hundred sixteen million, nine hundred twenty thousand, eight hundred sixty-two".