10161278280 has 192 divisors, whose sum is σ = 36050414400. Its totient is φ = 2567013120.

The previous prime is 10161278269. The next prime is 10161278293. The reversal of 10161278280 is 8287216101.

10161278280 is a `hidden beast` number, since 10 + 1 + 612 + 7 + 8 + 28 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157170 + ... + 212190.

It is an arithmetic number, because the mean of its divisors is an integer number (187762575).

Almost surely, 2^10161278280 is an apocalyptic number.

10161278280 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 10161278280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18025207200).

10161278280 is an abundant number, since it is smaller than the sum of its proper divisors (25889136120).

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

10161278280 is a wasteful number, since it uses less digits than its factorization.

10161278280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55066 (or 55050 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The spelling of 10161278280 in words is "ten billion, one hundred sixty-one million, two hundred seventy-eight thousand, two hundred eighty".