16072117512 has 32 divisors (see below), whose sum is σ = 43833048480. Its totient is φ = 4870338560.

The previous prime is 16072117507. The next prime is 16072117513. The reversal of 16072117512 is 21571127061.

It is a super-2 number, since 2×16072117512² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (16072117513) 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, 30439353 + ... + 30439880.

It is an arithmetic number, because the mean of its divisors is an integer number (1369782765).

Almost surely, 2^16072117512 is an apocalyptic number.

16072117512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16072117512 is an abundant number, since it is smaller than the sum of its proper divisors (27760930968).

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

16072117512 is a wasteful number, since it uses less digits than its factorization.

16072117512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60879253 (or 60879249 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 33.

The spelling of 16072117512 in words is "sixteen billion, seventy-two million, one hundred seventeen thousand, five hundred twelve".