16640461002 has 32 divisors (see below), whose sum is σ = 36311198400. Its totient is φ = 5041905920.

The previous prime is 16640460997. The next prime is 16640461049. The reversal of 16640461002 is 20016404661.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791458 + ... + 812210.

It is an arithmetic number, because the mean of its divisors is an integer number (1134724950).

Almost surely, 2^16640461002 is an apocalyptic number.

16640461002 is an abundant number, since it is smaller than the sum of its proper divisors (19670737398).

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

16640461002 is a wasteful number, since it uses less digits than its factorization.

16640461002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32918.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 16640461002 its reverse (20016404661), we get a palindrome (36656865663).

The spelling of 16640461002 in words is "sixteen billion, six hundred forty million, four hundred sixty-one thousand, two".