646314562 has 16 divisors (see below), whose sum is σ = 997814592. Its totient is φ = 313845840.

The previous prime is 646314541. The next prime is 646314607. The reversal of 646314562 is 265413646.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24453 + ... + 43480.

It is an arithmetic number, because the mean of its divisors is an integer number (62363412).

Almost surely, 2^646314562 is an apocalyptic number.

646314562 is a deficient number, since it is larger than the sum of its proper divisors (351500030).

646314562 is a wasteful number, since it uses less digits than its factorization.

646314562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68073.

The product of its digits is 103680, while the sum is 37.

The square root of 646314562 is about 25422.7174393297. The cubic root of 646314562 is about 864.5988370016.

It can be divided in two parts, 6463 and 14562, that added together give a square (21025 = 145²).

The spelling of 646314562 in words is "six hundred forty-six million, three hundred fourteen thousand, five hundred sixty-two".