2661514552 has 32 divisors (see below), whose sum is σ = 5214132000. Its totient is φ = 1271231104.

The previous prime is 2661514523. The next prime is 2661514553. The reversal of 2661514552 is 2554151662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661514553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137574 + ... + 155722.

It is an arithmetic number, because the mean of its divisors is an integer number (162941625).

Almost surely, 2^2661514552 is an apocalyptic number.

It is an amenable number.

2661514552 is a deficient number, since it is larger than the sum of its proper divisors (2552617448).

2661514552 is a wasteful number, since it uses less digits than its factorization.

2661514552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18975 (or 18971 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The square root of 2661514552 is about 51589.8686953165. The cubic root of 2661514552 is about 1385.8289037360.

The spelling of 2661514552 in words is "two billion, six hundred sixty-one million, five hundred fourteen thousand, five hundred fifty-two".