5246315666 has 4 divisors (see below), whose sum is σ = 7869473502. Its totient is φ = 2623157832.

The previous prime is 5246315629. The next prime is 5246315681. The reversal of 5246315666 is 6665136425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5129567641 + 116748025 = 71621^2 + 10805^2 .

It is a super-4 number, since 4×5246315666⁴ (a number of 40 digits) contains 4444 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311578915 + ... + 1311578918.

Almost surely, 2^5246315666 is an apocalyptic number.

5246315666 is a deficient number, since it is larger than the sum of its proper divisors (2623157836).

5246315666 is a wasteful number, since it uses less digits than its factorization.

5246315666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623157835.

The product of its digits is 777600, while the sum is 44.

The square root of 5246315666 is about 72431.4549487997. The cubic root of 5246315666 is about 1737.6066608504.

The spelling of 5246315666 in words is "five billion, two hundred forty-six million, three hundred fifteen thousand, six hundred sixty-six".