146961615488 has 32 divisors (see below), whose sum is σ = 305504451360. Its totient is φ = 70285988608.

The previous prime is 146961615469. The next prime is 146961615491. The reversal of 146961615488 is 884516169641.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×146961615488² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24956570 + ... + 24962457.

It is an arithmetic number, because the mean of its divisors is an integer number (9547014105).

Almost surely, 2^146961615488 is an apocalyptic number.

It is an amenable number.

146961615488 is an abundant number, since it is smaller than the sum of its proper divisors (158542835872).

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

146961615488 is an equidigital number, since it uses as much as digits as its factorization.

146961615488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49919064 (or 49919052 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 59.

The spelling of 146961615488 in words is "one hundred forty-six billion, nine hundred sixty-one million, six hundred fifteen thousand, four hundred eighty-eight".