5161720776 has 16 divisors (see below), whose sum is σ = 12904302000. Its totient is φ = 1720573584.

The previous prime is 5161720769. The next prime is 5161720783. The reversal of 5161720776 is 6770271615.

It is an interprime number because it is at equal distance from previous prime (5161720769) and next prime (5161720783).

It is a super-2 number, since 2×5161720776² = 53286722738780084352, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107535826 + ... + 107535873.

It is an arithmetic number, because the mean of its divisors is an integer number (806518875).

Almost surely, 2^5161720776 is an apocalyptic number.

It is an amenable number.

5161720776 is an abundant number, since it is smaller than the sum of its proper divisors (7742581224).

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

5161720776 is a wasteful number, since it uses less digits than its factorization.

5161720776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215071708 (or 215071704 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 42.

The square root of 5161720776 is about 71845.1165772594. The cubic root of 5161720776 is about 1728.2165875423.

The spelling of 5161720776 in words is "five billion, one hundred sixty-one million, seven hundred twenty thousand, seven hundred seventy-six".