618893647602 has 16 divisors (see below), whose sum is σ = 1261141773120. Its totient is φ = 202405469552.

The previous prime is 618893647597. The next prime is 618893647621. The reversal of 618893647602 is 206746398816.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973102902 + ... + 973103537.

It is an arithmetic number, because the mean of its divisors is an integer number (78821360820).

Almost surely, 2^618893647602 is an apocalyptic number.

618893647602 is an abundant number, since it is smaller than the sum of its proper divisors (642248125518).

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

618893647602 is a wasteful number, since it uses less digits than its factorization.

618893647602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946206497.

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 618893647602 in words is "six hundred eighteen billion, eight hundred ninety-three million, six hundred forty-seven thousand, six hundred two".