670397219118 has 40 divisors (see below), whose sum is σ = 1638748762200. Its totient is φ = 203150671920.

The previous prime is 670397219113. The next prime is 670397219131. The reversal of 670397219118 is 811912793076.

It is a happy number.

670397219118 is a `hidden beast` number, since 67 + 0 + 397 + 2 + 191 + 1 + 8 = 666.

It is a super-2 number, since 2×670397219118² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670397219111) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 188100693 + ... + 188104256.

It is an arithmetic number, because the mean of its divisors is an integer number (40968719055).

Almost surely, 2^670397219118 is an apocalyptic number.

670397219118 is an abundant number, since it is smaller than the sum of its proper divisors (968351543082).

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

670397219118 is a wasteful number, since it uses less digits than its factorization.

670397219118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376204974 (or 376204965 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 670397219118 in words is "six hundred seventy billion, three hundred ninety-seven million, two hundred nineteen thousand, one hundred eighteen".