612164650 has 24 divisors (see below), whose sum is σ = 1140489504. Its totient is φ = 244465200.

The previous prime is 612164647. The next prime is 612164669. The reversal of 612164650 is 56461216.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21849 + ... + 41251.

It is an arithmetic number, because the mean of its divisors is an integer number (47520396).

Almost surely, 2^612164650 is an apocalyptic number.

612164650 is a deficient number, since it is larger than the sum of its proper divisors (528324854).

612164650 is a wasteful number, since it uses less digits than its factorization.

612164650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20046 (or 20041 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 612164650 is about 24741.9613208007. The cubic root of 612164650 is about 849.0946068806.

The spelling of 612164650 in words is "six hundred twelve million, one hundred sixty-four thousand, six hundred fifty".