16433320572445 has 16 divisors (see below), whose sum is σ = 22537192204800. Its totient is φ = 11268529254144.

The previous prime is 16433320572439. The next prime is 16433320572457. The reversal of 16433320572445 is 54427502333461.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16433320572445 - 2¹³ = 16433320564253 is a prime.

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, 19623829 + ... + 20444101.

It is an arithmetic number, because the mean of its divisors is an integer number (1408574512800).

Almost surely, 2^{16433320572445} is an apocalyptic number.

It is an amenable number.

16433320572445 is a deficient number, since it is larger than the sum of its proper divisors (6103871632355).

16433320572445 is an equidigital number, since it uses as much as digits as its factorization.

16433320572445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392684.

The product of its (nonzero) digits is 7257600, while the sum is 49.

The spelling of 16433320572445 in words is "sixteen trillion, four hundred thirty-three billion, three hundred twenty million, five hundred seventy-two thousand, four hundred forty-five".