109466878464 has 200 divisors, whose sum is σ = 343928589840. Its totient is φ = 34568239104.

The previous prime is 109466878459. The next prime is 109466878489. The reversal of 109466878464 is 464878664901.

109466878464 is a `hidden beast` number, since 1 + 0 + 9 + 46 + 68 + 78 + 464 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 718507 + ... + 857429.

Almost surely, 2^109466878464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109466878464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171964294920).

109466878464 is an abundant number, since it is smaller than the sum of its proper divisors (234461711376).

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

109466878464 is an equidigital number, since it uses as much as digits as its factorization.

109466878464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138972 (or 138947 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 109466878464 in words is "one hundred nine billion, four hundred sixty-six million, eight hundred seventy-eight thousand, four hundred sixty-four".