16433373073645 has 32 divisors (see below), whose sum is σ = 21551103834624. Its totient is φ = 11930271662400.

The previous prime is 16433373073633. The next prime is 16433373073709. The reversal of 16433373073645 is 54637037333461.

It is not a de Polignac number, because 16433373073645 - 2⁵ = 16433373073613 is a prime.

It is a super-3 number, since 3×16433373073645³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

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 31 ways as a sum of consecutive naturals, for example, 69668074 + ... + 69903556.

It is an arithmetic number, because the mean of its divisors is an integer number (673471994832).

Almost surely, 2^{16433373073645} is an apocalyptic number.

It is an amenable number.

16433373073645 is a deficient number, since it is larger than the sum of its proper divisors (5117730760979).

16433373073645 is a wasteful number, since it uses less digits than its factorization.

16433373073645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237753.

The product of its (nonzero) digits is 34292160, while the sum is 55.

The spelling of 16433373073645 in words is "sixteen trillion, four hundred thirty-three billion, three hundred seventy-three million, seventy-three thousand, six hundred forty-five".