2501461660 has 48 divisors (see below), whose sum is σ = 5388046272. Its totient is φ = 974937600.

The previous prime is 2501461657. The next prime is 2501461681. The reversal of 2501461660 is 661641052.

It is a congruent number.

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, 894865 + ... + 897655.

It is an arithmetic number, because the mean of its divisors is an integer number (112250964).

Almost surely, 2^2501461660 is an apocalyptic number.

2501461660 is a gapful number since it is divisible by the number (20) 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 2501461660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2694023136).

2501461660 is an abundant number, since it is smaller than the sum of its proper divisors (2886584612).

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

2501461660 is a wasteful number, since it uses less digits than its factorization.

2501461660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934 (or 3932 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2501461660 is about 50014.6144641744. The cubic root of 2501461660 is about 1357.4732604758.

The spelling of 2501461660 in words is "two billion, five hundred one million, four hundred sixty-one thousand, six hundred sixty".