16641509342 has 16 divisors (see below), whose sum is σ = 25771166592. Its totient is φ = 8051196960.

The previous prime is 16641509333. The next prime is 16641509431. The reversal of 16641509342 is 24390514661.

It is a self number, because there is not a number n which added to its sum of digits gives 16641509342.

It is a congruent number.

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, 560708 + ... + 589640.

It is an arithmetic number, because the mean of its divisors is an integer number (1610697912).

Almost surely, 2^16641509342 is an apocalyptic number.

16641509342 is a deficient number, since it is larger than the sum of its proper divisors (9129657250).

16641509342 is a wasteful number, since it uses less digits than its factorization.

16641509342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38243.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 16641509342 in words is "sixteen billion, six hundred forty-one million, five hundred nine thousand, three hundred forty-two".