16466225516 has 12 divisors (see below), whose sum is σ = 31032502032. Its totient is φ = 7599796368.

The previous prime is 16466225507. The next prime is 16466225533. The reversal of 16466225516 is 61552266461.

It is a super-2 number, since 2×16466225516² (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, 158329040 + ... + 158329143.

It is an arithmetic number, because the mean of its divisors is an integer number (2586041836).

Almost surely, 2^16466225516 is an apocalyptic number.

It is an amenable number.

16466225516 is a deficient number, since it is larger than the sum of its proper divisors (14566276516).

16466225516 is a wasteful number, since it uses less digits than its factorization.

16466225516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316658200 (or 316658198 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The spelling of 16466225516 in words is "sixteen billion, four hundred sixty-six million, two hundred twenty-five thousand, five hundred sixteen".