10660072878 has 80 divisors (see below), whose sum is σ = 29398760160. Its totient is φ = 2811443904.

The previous prime is 10660072847. The next prime is 10660072897. The reversal of 10660072878 is 87827006601.

10660072878 is a `hidden beast` number, since 10 + 6 + 600 + 7 + 28 + 7 + 8 = 666.

It is a super-2 number, since 2×10660072878² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 346813 + ... + 376296.

It is an arithmetic number, because the mean of its divisors is an integer number (367484502).

Almost surely, 2^10660072878 is an apocalyptic number.

10660072878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10660072878 is an abundant number, since it is smaller than the sum of its proper divisors (18738687282).

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

10660072878 is a wasteful number, since it uses less digits than its factorization.

10660072878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723143 (or 723134 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 10660072878 in words is "ten billion, six hundred sixty million, seventy-two thousand, eight hundred seventy-eight".