618960853 has 12 divisors (see below), whose sum is σ = 746577120. Its totient is φ = 502612776.

The previous prime is 618960847. The next prime is 618960863. The reversal of 618960853 is 358069816.

It is not a de Polignac number, because 618960853 - 2²⁵ = 585406421 is a prime.

It is a super-2 number, since 2×618960853² = 766225075092975218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618960863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119943 + ... + 124996.

It is an arithmetic number, because the mean of its divisors is an integer number (62214760).

Almost surely, 2^618960853 is an apocalyptic number.

It is an amenable number.

618960853 is a deficient number, since it is larger than the sum of its proper divisors (127616267).

618960853 is a wasteful number, since it uses less digits than its factorization.

618960853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244984 (or 244965 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 618960853 is about 24878.9238714218. The cubic root of 618960853 is about 852.2252434256.

The spelling of 618960853 in words is "six hundred eighteen million, nine hundred sixty thousand, eight hundred fifty-three".