16486321642 has 16 divisors (see below), whose sum is σ = 29924752320. Its totient is φ = 6649944768.

The previous prime is 16486321627. The next prime is 16486321667. The reversal of 16486321642 is 24612368461.

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, 34634892 + ... + 34635367.

It is an arithmetic number, because the mean of its divisors is an integer number (1870297020).

Almost surely, 2^16486321642 is an apocalyptic number.

16486321642 is a deficient number, since it is larger than the sum of its proper divisors (13438430678).

16486321642 is a wasteful number, since it uses less digits than its factorization.

16486321642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69270285.

The product of its digits is 331776, while the sum is 43.

The spelling of 16486321642 in words is "sixteen billion, four hundred eighty-six million, three hundred twenty-one thousand, six hundred forty-two".