16070668722 has 24 divisors (see below), whose sum is σ = 34822576620. Its totient is φ = 5356459680.

The previous prime is 16070668699. The next prime is 16070668729. The reversal of 16070668722 is 22786607061.

It can be written as a sum of positive squares in 2 ways, for example, as 9651294081 + 6419374641 = 98241^2 + 80121^2 .

It is a super-2 number, since 2×16070668722² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16070668729) 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, 261304 + ... + 316892.

Almost surely, 2^16070668722 is an apocalyptic number.

16070668722 is an abundant number, since it is smaller than the sum of its proper divisors (18751907898).

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

16070668722 is a wasteful number, since it uses less digits than its factorization.

16070668722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71658 (or 71655 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 16070668722 in words is "sixteen billion, seventy million, six hundred sixty-eight thousand, seven hundred twenty-two".