610661837945 has 32 divisors (see below), whose sum is σ = 778438512000. Its totient is φ = 458289570816.

The previous prime is 610661837923. The next prime is 610661837959. The reversal of 610661837945 is 549738166016.

It is not a de Polignac number, because 610661837945 - 2²⁶ = 610594729081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60462506 + ... + 60472604.

It is an arithmetic number, because the mean of its divisors is an integer number (24326203500).

Almost surely, 2^610661837945 is an apocalyptic number.

It is an amenable number.

610661837945 is a deficient number, since it is larger than the sum of its proper divisors (167776674055).

610661837945 is a wasteful number, since it uses less digits than its factorization.

610661837945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12377.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 610661837945 in words is "six hundred ten billion, six hundred sixty-one million, eight hundred thirty-seven thousand, nine hundred forty-five".