561156696 has 24 divisors (see below), whose sum is σ = 1519799580. Its totient is φ = 187052208.

The previous prime is 561156683. The next prime is 561156731. The reversal of 561156696 is 696651165.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3896850 + ... + 3896993.

Almost surely, 2^561156696 is an apocalyptic number.

It is an amenable number.

561156696 is an abundant number, since it is smaller than the sum of its proper divisors (958642884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561156696 is a wasteful number, since it uses less digits than its factorization.

561156696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7793855 (or 7793848 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 561156696 is about 23688.7461888552. The cubic root of 561156696 is about 824.8241785101.

The spelling of 561156696 in words is "five hundred sixty-one million, one hundred fifty-six thousand, six hundred ninety-six".