16170725122 has 8 divisors (see below), whose sum is σ = 24310111500. Its totient is φ = 8067354624.

The previous prime is 16170725111. The next prime is 16170725141. The reversal of 16170725122 is 22152707161.

It can be written as a sum of positive squares in 2 ways, for example, as 15888854601 + 281870521 = 126051^2 + 16789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16170725122² (a number of 21 digits) contains 22 as substring.

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, 9002847 + ... + 9004642.

Almost surely, 2^16170725122 is an apocalyptic number.

16170725122 is a deficient number, since it is larger than the sum of its proper divisors (8139386378).

16170725122 is a wasteful number, since it uses less digits than its factorization.

16170725122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18007940.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 16170725122 in words is "sixteen billion, one hundred seventy million, seven hundred twenty-five thousand, one hundred twenty-two".