16681310146 has 16 divisors (see below), whose sum is σ = 26519110560. Its totient is φ = 7842542400.

The previous prime is 16681310137. The next prime is 16681310209. The reversal of 16681310146 is 64101318661.

It is a super-2 number, since 2×16681310146² (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 7 ways as a sum of consecutive naturals, for example, 197676 + ... + 269143.

It is an arithmetic number, because the mean of its divisors is an integer number (1657444410).

Almost surely, 2^16681310146 is an apocalyptic number.

16681310146 is a deficient number, since it is larger than the sum of its proper divisors (9837800414).

16681310146 is a wasteful number, since it uses less digits than its factorization.

16681310146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467889.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 16681310146 in words is "sixteen billion, six hundred eighty-one million, three hundred ten thousand, one hundred forty-six".