2451016660 has 12 divisors (see below), whose sum is σ = 5147135028. Its totient is φ = 980406656.

The previous prime is 2451016651. The next prime is 2451016691. The reversal of 2451016660 is 666101542.

It can be written as a sum of positive squares in 2 ways, for example, as 1066283716 + 1384732944 = 32654^2 + 37212^2 .

It is a congruent number.

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, 61275397 + ... + 61275436.

It is an arithmetic number, because the mean of its divisors is an integer number (428927919).

Almost surely, 2^2451016660 is an apocalyptic number.

2451016660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451016660 is an abundant number, since it is smaller than the sum of its proper divisors (2696118368).

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

2451016660 is a wasteful number, since it uses less digits than its factorization.

2451016660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122550842 (or 122550840 counting only the distinct ones).

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

The square root of 2451016660 is about 49507.7434347396. The cubic root of 2451016660 is about 1348.2861947258.

The spelling of 2451016660 in words is "two billion, four hundred fifty-one million, sixteen thousand, six hundred sixty".