146547989680 has 20 divisors (see below), whose sum is σ = 340724076192. Its totient is φ = 58619195840.

The previous prime is 146547989671. The next prime is 146547989683. The reversal of 146547989680 is 86989745641.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (146547989683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915924856 + ... + 915925015.

Almost surely, 2^146547989680 is an apocalyptic number.

146547989680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146547989680 is an abundant number, since it is smaller than the sum of its proper divisors (194176086512).

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

146547989680 is a wasteful number, since it uses less digits than its factorization.

146547989680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831849884 (or 1831849878 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 67.

The spelling of 146547989680 in words is "one hundred forty-six billion, five hundred forty-seven million, nine hundred eighty-nine thousand, six hundred eighty".