199064654880 has 384 divisors, whose sum is σ = 796659204096. Its totient is φ = 40645324800.

The previous prime is 199064654861. The next prime is 199064654909. The reversal of 199064654880 is 88456460991.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1280575 + ... + 1427585.

It is an arithmetic number, because the mean of its divisors is an integer number (2074633344).

Almost surely, 2^199064654880 is an apocalyptic number.

199064654880 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 199064654880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398329602048).

199064654880 is an abundant number, since it is smaller than the sum of its proper divisors (597594549216).

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

199064654880 is a wasteful number, since it uses less digits than its factorization.

199064654880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147080 (or 147072 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 199064654880 in words is "one hundred ninety-nine billion, sixty-four million, six hundred fifty-four thousand, eight hundred eighty".