7154561660 has 24 divisors (see below), whose sum is σ = 15042147120. Its totient is φ = 2858478464.

The previous prime is 7154561657. The next prime is 7154561681. The reversal of 7154561660 is 661654517.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191570 + ... + 225849.

It is an arithmetic number, because the mean of its divisors is an integer number (626756130).

Almost surely, 2^7154561660 is an apocalyptic number.

It is an amenable number.

7154561660 is an abundant number, since it is smaller than the sum of its proper divisors (7887585460).

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

7154561660 is a wasteful number, since it uses less digits than its factorization.

7154561660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418285 (or 418283 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 7154561660 is about 84584.6419865923. The cubic root of 7154561660 is about 1926.9081352801.

The spelling of 7154561660 in words is "seven billion, one hundred fifty-four million, five hundred sixty-one thousand, six hundred sixty".