5166458642 has 8 divisors (see below), whose sum is σ = 7750266300. Its totient is φ = 2583036544.

The previous prime is 5166458639. The next prime is 5166458653. The reversal of 5166458642 is 2468546615.

It can be written as a sum of positive squares in 2 ways, for example, as 3668846041 + 1497612601 = 60571^2 + 38699^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60167 + ... + 118122.

Almost surely, 2^5166458642 is an apocalyptic number.

5166458642 is a deficient number, since it is larger than the sum of its proper divisors (2583807658).

5166458642 is a wasteful number, since it uses less digits than its factorization.

5166458642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192780.

The product of its digits is 1382400, while the sum is 47.

The square root of 5166458642 is about 71878.0817913222. The cubic root of 5166458642 is about 1728.7451938612.

The spelling of 5166458642 in words is "five billion, one hundred sixty-six million, four hundred fifty-eight thousand, six hundred forty-two".