183378147864 has 32 divisors (see below), whose sum is σ = 458568864000. Its totient is φ = 61109583392.

The previous prime is 183378147857. The next prime is 183378147877. The reversal of 183378147864 is 468741873381.

It is a super-2 number, since 2×183378147864² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 183378147798 and 183378147807.

It is a congruent number.

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, 938004 + ... + 1116515.

It is an arithmetic number, because the mean of its divisors is an integer number (14330277000).

Almost surely, 2^183378147864 is an apocalyptic number.

It is an amenable number.

183378147864 is an abundant number, since it is smaller than the sum of its proper divisors (275190716136).

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

183378147864 is a wasteful number, since it uses less digits than its factorization.

183378147864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058247 (or 2058243 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 60.

The spelling of 183378147864 in words is "one hundred eighty-three billion, three hundred seventy-eight million, one hundred forty-seven thousand, eight hundred sixty-four".