16730421445 has 16 divisors (see below), whose sum is σ = 20275200000. Its totient is φ = 13252051008.

The previous prime is 16730421391. The next prime is 16730421457. The reversal of 16730421445 is 54412403761.

It is a cyclic number.

It is not a de Polignac number, because 16730421445 - 2¹³ = 16730413253 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, 806716 + ... + 827194.

It is an arithmetic number, because the mean of its divisors is an integer number (1267200000).

Almost surely, 2^16730421445 is an apocalyptic number.

It is an amenable number.

16730421445 is a deficient number, since it is larger than the sum of its proper divisors (3544778555).

16730421445 is a wasteful number, since it uses less digits than its factorization.

16730421445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22092.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 16730421445 in words is "sixteen billion, seven hundred thirty million, four hundred twenty-one thousand, four hundred forty-five".