10161642580 has 24 divisors (see below), whose sum is σ = 21347028360. Its totient is φ = 4063213440.

The previous prime is 10161642571. The next prime is 10161642583. The reversal of 10161642580 is 8524616101.

It can be written as a sum of positive squares in 4 ways, for example, as 176836804 + 9984805776 = 13298^2 + 99924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10161642583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31575 + ... + 146014.

It is an arithmetic number, because the mean of its divisors is an integer number (889459515).

Almost surely, 2^10161642580 is an apocalyptic number.

10161642580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10161642580 is an abundant number, since it is smaller than the sum of its proper divisors (11185385780).

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

10161642580 is a wasteful number, since it uses less digits than its factorization.

10161642580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180459 (or 180457 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 10161642580 in words is "ten billion, one hundred sixty-one million, six hundred forty-two thousand, five hundred eighty".