4661615812 has 24 divisors (see below), whose sum is σ = 9415546560. Its totient is φ = 1978053600.

The previous prime is 4661615809. The next prime is 4661615837. The reversal of 4661615812 is 2185161664.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821362 + ... + 827017.

It is an arithmetic number, because the mean of its divisors is an integer number (392314440).

Almost surely, 2^4661615812 is an apocalyptic number.

It is an amenable number.

4661615812 is an abundant number, since it is smaller than the sum of its proper divisors (4753930748).

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

4661615812 is a wasteful number, since it uses less digits than its factorization.

4661615812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648491 (or 1648489 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 4661615812 is about 68276.0266272137. The cubic root of 4661615812 is about 1670.4962026044.

The spelling of 4661615812 in words is "four billion, six hundred sixty-one million, six hundred fifteen thousand, eight hundred twelve".