618076213680 has 80 divisors (see below), whose sum is σ = 1931123257344. Its totient is φ = 163522517760.

The previous prime is 618076213679. The next prime is 618076213697. The reversal of 618076213680 is 86312670816.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10108566 + ... + 10169525.

Almost surely, 2^618076213680 is an apocalyptic number.

618076213680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

618076213680 is an abundant number, since it is smaller than the sum of its proper divisors (1313047043664).

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

618076213680 is a wasteful number, since it uses less digits than its factorization.

618076213680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20278234 (or 20278228 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 618076213680 in words is "six hundred eighteen billion, seventy-six million, two hundred thirteen thousand, six hundred eighty".