10156504161620 has 12 divisors (see below), whose sum is σ = 21328658739444. Its totient is φ = 4062601664640.

The previous prime is 10156504161599. The next prime is 10156504161623. The reversal of 10156504161620 is 2616140565101.

It can be written as a sum of positive squares in 2 ways, for example, as 3294210480016 + 6862293681604 = 1814996^2 + 2619598^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10156504161623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253912604021 + ... + 253912604060.

It is an arithmetic number, because the mean of its divisors is an integer number (1777388228287).

Almost surely, 2^{10156504161620} is an apocalyptic number.

10156504161620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10156504161620 is an abundant number, since it is smaller than the sum of its proper divisors (11172154577824).

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

10156504161620 is a wasteful number, since it uses less digits than its factorization.

10156504161620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507825208090 (or 507825208088 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 10156504161620 in words is "ten trillion, one hundred fifty-six billion, five hundred four million, one hundred sixty-one thousand, six hundred twenty".