3457157666 has 8 divisors (see below), whose sum is σ = 5248215504. Its totient is φ = 1707752500.

The previous prime is 3457157663. The next prime is 3457157677. The reversal of 3457157666 is 6667517543.

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 (3457157663) 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, 10412960 + ... + 10413291.

It is an arithmetic number, because the mean of its divisors is an integer number (656026938).

Almost surely, 2^3457157666 is an apocalyptic number.

3457157666 is a deficient number, since it is larger than the sum of its proper divisors (1791057838).

3457157666 is a wasteful number, since it uses less digits than its factorization.

3457157666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20826336.

The product of its digits is 3175200, while the sum is 50.

The square root of 3457157666 is about 58797.5991516660. The cubic root of 3457157666 is about 1512.0740567410.

The spelling of 3457157666 in words is "three billion, four hundred fifty-seven million, one hundred fifty-seven thousand, six hundred sixty-six".