16285123946 has 16 divisors (see below), whose sum is σ = 30064844544. Its totient is φ = 6442466544.

The previous prime is 16285123927. The next prime is 16285123999. The reversal of 16285123946 is 64932158261.

It is a super-2 number, since 2×16285123946² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16285123946.

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, 44739170 + ... + 44739533.

It is an arithmetic number, because the mean of its divisors is an integer number (1879052784).

Almost surely, 2^16285123946 is an apocalyptic number.

16285123946 is a deficient number, since it is larger than the sum of its proper divisors (13779720598).

16285123946 is a wasteful number, since it uses less digits than its factorization.

16285123946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89478725.

The product of its digits is 622080, while the sum is 47.

The spelling of 16285123946 in words is "sixteen billion, two hundred eighty-five million, one hundred twenty-three thousand, nine hundred forty-six".