10161279520 has 96 divisors (see below), whose sum is σ = 27743990400. Its totient is φ = 3444688896.

The previous prime is 10161279509. The next prime is 10161279571. The reversal of 10161279520 is 2597216101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48711 + ... + 150649.

It is an arithmetic number, because the mean of its divisors is an integer number (288999900).

Almost surely, 2^10161279520 is an apocalyptic number.

10161279520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10161279520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13871995200).

10161279520 is an abundant number, since it is smaller than the sum of its proper divisors (17582710880).

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

10161279520 is a wasteful number, since it uses less digits than its factorization.

10161279520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102050 (or 102042 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 10161279520 in words is "ten billion, one hundred sixty-one million, two hundred seventy-nine thousand, five hundred twenty".