146794897889920 has 128 divisors (see below), whose sum is σ = 402433456602240. Its totient is φ = 50157905178624.

The previous prime is 146794897889881. The next prime is 146794897889947. The reversal of 146794897889920 is 29988798497641.

It is a tau number, because it is divible by the number of its divisors (128).

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, 54603262 + ... + 57228541.

It is an arithmetic number, because the mean of its divisors is an integer number (3144011379705).

Almost surely, 2^{146794897889920} is an apocalyptic number.

146794897889920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146794897889920 is an abundant number, since it is smaller than the sum of its proper divisors (255638558712320).

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

146794897889920 is a wasteful number, since it uses less digits than its factorization.

146794897889920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111832122 (or 111832110 counting only the distinct ones).

The product of its (nonzero) digits is 31603654656, while the sum is 91.

The spelling of 146794897889920 in words is "one hundred forty-six trillion, seven hundred ninety-four billion, eight hundred ninety-seven million, eight hundred eighty-nine thousand, nine hundred twenty".