16445011542 has 16 divisors (see below), whose sum is σ = 32891687280. Its totient is φ = 5481393152.

The previous prime is 16445011529. The next prime is 16445011559. The reversal of 16445011542 is 24511054461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85834 + ... + 200642.

It is an arithmetic number, because the mean of its divisors is an integer number (2055730455).

Almost surely, 2^16445011542 is an apocalyptic number.

16445011542 is an abundant number, since it is smaller than the sum of its proper divisors (16446675738).

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

16445011542 is a wasteful number, since it uses less digits than its factorization.

16445011542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138687.

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 16445011542 in words is "sixteen billion, four hundred forty-five million, eleven thousand, five hundred forty-two".