761646556801 has 16 divisors (see below), whose sum is σ = 857684136960. Its totient is φ = 671086532160.

The previous prime is 761646556793. The next prime is 761646556807. The reversal of 761646556801 is 108655646167.

It is a cyclic number.

It is not a de Polignac number, because 761646556801 - 2³ = 761646556793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761646556807) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2515770 + ... + 2802211.

It is an arithmetic number, because the mean of its divisors is an integer number (53605258560).

Almost surely, 2^761646556801 is an apocalyptic number.

It is an amenable number.

761646556801 is a deficient number, since it is larger than the sum of its proper divisors (96037580159).

761646556801 is a wasteful number, since it uses less digits than its factorization.

761646556801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318496.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 761646556801 in words is "seven hundred sixty-one billion, six hundred forty-six million, five hundred fifty-six thousand, eight hundred one".