56161601002 has 8 divisors (see below), whose sum is σ = 90722586276. Its totient is φ = 25920738912.

The previous prime is 56161600991. The next prime is 56161601009. The reversal of 56161601002 is 20010616165.

It can be written as a sum of positive squares in 2 ways, for example, as 54596528281 + 1565072721 = 233659^2 + 39561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (56161601009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080030763 + ... + 1080030814.

Almost surely, 2^56161601002 is an apocalyptic number.

56161601002 is a deficient number, since it is larger than the sum of its proper divisors (34560985274).

56161601002 is a wasteful number, since it uses less digits than its factorization.

56161601002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160061592.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 56161601002 in words is "fifty-six billion, one hundred sixty-one million, six hundred one thousand, two".