23761964616 has 64 divisors (see below), whose sum is σ = 64100635200. Its totient is φ = 7296960768.

The previous prime is 23761964609. The next prime is 23761964621. The reversal of 23761964616 is 61646916732.

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, 83995 + ... + 233621.

It is an arithmetic number, because the mean of its divisors is an integer number (1001572425).

Almost surely, 2^23761964616 is an apocalyptic number.

23761964616 is a gapful number since it is divisible by the number (26) 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 23761964616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32050317600).

23761964616 is an abundant number, since it is smaller than the sum of its proper divisors (40338670584).

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

23761964616 is a wasteful number, since it uses less digits than its factorization.

23761964616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150158 (or 150154 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 51.

The spelling of 23761964616 in words is "twenty-three billion, seven hundred sixty-one million, nine hundred sixty-four thousand, six hundred sixteen".