10187061620 has 12 divisors (see below), whose sum is σ = 21392829444. Its totient is φ = 4074824640.

The previous prime is 10187061601. The next prime is 10187061631. The reversal of 10187061620 is 2616078101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5245815184 + 4941246436 = 72428^2 + 70294^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254676521 + ... + 254676560.

It is an arithmetic number, because the mean of its divisors is an integer number (1782735787).

Almost surely, 2^10187061620 is an apocalyptic number.

10187061620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10187061620 is an abundant number, since it is smaller than the sum of its proper divisors (11205767824).

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

10187061620 is a wasteful number, since it uses less digits than its factorization.

10187061620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509353090 (or 509353088 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 10187061620 in words is "ten billion, one hundred eighty-seven million, sixty-one thousand, six hundred twenty".