2667995560 has 24 divisors (see below), whose sum is σ = 6003725130. Its totient is φ = 1067067552.

The previous prime is 2667995557. The next prime is 2667995609. The reversal of 2667995560 is 655997662.

It can be written as a sum of positive squares in only one way, i.e., 2401196004 + 266799556 = 49002^2 + 16334^2 .

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322597 + ... + 330763.

Almost surely, 2^2667995560 is an apocalyptic number.

2667995560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2667995560 is an abundant number, since it is smaller than the sum of its proper divisors (3335729570).

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

2667995560 is an frugal number, since it uses more digits than its factorization.

2667995560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16345 (or 8174 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 55.

The square root of 2667995560 is about 51652.6433011903. The cubic root of 2667995560 is about 1386.9528612417.

The spelling of 2667995560 in words is "two billion, six hundred sixty-seven million, nine hundred ninety-five thousand, five hundred sixty".