16545201002645 has 32 divisors (see below), whose sum is σ = 23652177880320. Its totient is φ = 10870445214720.

The previous prime is 16545201002633. The next prime is 16545201002647. The reversal of 16545201002645 is 54620010254561.

It is not a de Polignac number, because 16545201002645 - 2⁸ = 16545201002389 is a prime.

It is a super-2 number, since 2×16545201002645² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545201002647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62083412 + ... + 62349341.

It is an arithmetic number, because the mean of its divisors is an integer number (739130558760).

Almost surely, 2^{16545201002645} is an apocalyptic number.

It is an amenable number.

16545201002645 is a deficient number, since it is larger than the sum of its proper divisors (7106976877675).

16545201002645 is a wasteful number, since it uses less digits than its factorization.

16545201002645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124432925.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 16545201002645 in words is "sixteen trillion, five hundred forty-five billion, two hundred one million, two thousand, six hundred forty-five".