618461883388 has 12 divisors (see below), whose sum is σ = 1082326281232. Its totient is φ = 309225803040.

The previous prime is 618461883353. The next prime is 618461883407. The reversal of 618461883388 is 883388164816.

It is a super-2 number, since 2×618461883388² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007208 + ... + 1500463.

Almost surely, 2^618461883388 is an apocalyptic number.

It is an amenable number.

618461883388 is a deficient number, since it is larger than the sum of its proper divisors (463864397844).

618461883388 is a wasteful number, since it uses less digits than its factorization.

618461883388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569332 (or 2569330 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 64.

The spelling of 618461883388 in words is "six hundred eighteen billion, four hundred sixty-one million, eight hundred eighty-three thousand, three hundred eighty-eight".