67700642609416 has 32 divisors (see below), whose sum is σ = 129717554817240. Its totient is φ = 33113085078528.

The previous prime is 67700642609401. The next prime is 67700642609417. The reversal of 67700642609416 is 61490624600776.

It can be written as a sum of positive squares in 4 ways, for example, as 43261006836100 + 24439635773316 = 6577310^2 + 4943646^2 .

It is a super-2 number, since 2×67700642609416² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67700642609417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236758191 + ... + 237043966.

Almost surely, 2^{67700642609416} is an apocalyptic number.

It is an amenable number.

67700642609416 is a deficient number, since it is larger than the sum of its proper divisors (62016912207824).

67700642609416 is a wasteful number, since it uses less digits than its factorization.

67700642609416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473802553 (or 473802549 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 67700642609416 in words is "sixty-seven trillion, seven hundred billion, six hundred forty-two million, six hundred nine thousand, four hundred sixteen".