16019032645 has 16 divisors (see below), whose sum is σ = 23966137728. Its totient is φ = 9985890240.

The previous prime is 16019032609. The next prime is 16019032657. The reversal of 16019032645 is 54623091061.

It is not a de Polignac number, because 16019032645 - 2¹¹ = 16019030597 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 20803554 + ... + 20804323.

It is an arithmetic number, because the mean of its divisors is an integer number (1497883608).

Almost surely, 2^16019032645 is an apocalyptic number.

It is an amenable number.

16019032645 is a deficient number, since it is larger than the sum of its proper divisors (7947105083).

16019032645 is a wasteful number, since it uses less digits than its factorization.

16019032645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41607900.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 16019032645 in words is "sixteen billion, nineteen million, thirty-two thousand, six hundred forty-five".