16215466445 has 8 divisors (see below), whose sum is σ = 19587425280. Its totient is φ = 12886462800.

The previous prime is 16215466427. The next prime is 16215466469. The reversal of 16215466445 is 54466451261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16215466445 - 2¹⁶ = 16215400909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16215466396 and 16215466405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10737965 + ... + 10739474.

It is an arithmetic number, because the mean of its divisors is an integer number (2448428160).

Almost surely, 2^16215466445 is an apocalyptic number.

It is an amenable number.

16215466445 is a deficient number, since it is larger than the sum of its proper divisors (3371958835).

16215466445 is a wasteful number, since it uses less digits than its factorization.

16215466445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21477595.

The product of its digits is 691200, while the sum is 44.

The spelling of 16215466445 in words is "sixteen billion, two hundred fifteen million, four hundred sixty-six thousand, four hundred forty-five".