5157553666 has 8 divisors (see below), whose sum is σ = 7737672960. Its totient is φ = 2578329348.

The previous prime is 5157553663. The next prime is 5157553673. The reversal of 5157553666 is 6663557515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5157553663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209146 + ... + 232501.

It is an arithmetic number, because the mean of its divisors is an integer number (967209120).

Almost surely, 2^5157553666 is an apocalyptic number.

5157553666 is a deficient number, since it is larger than the sum of its proper divisors (2580119294).

5157553666 is a wasteful number, since it uses less digits than its factorization.

5157553666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447488.

The product of its digits is 2835000, while the sum is 49.

The square root of 5157553666 is about 71816.1100728799. The cubic root of 5157553666 is about 1727.7513933561.

The spelling of 5157553666 in words is "five billion, one hundred fifty-seven million, five hundred fifty-three thousand, six hundred sixty-six".