16545170424642 has 32 divisors (see below), whose sum is σ = 34531576186752. Its totient is φ = 5274885986304.

The previous prime is 16545170424613. The next prime is 16545170424647. The reversal of 16545170424642 is 24642407154561.

It is not an unprimeable number, because it can be changed into a prime (16545170424647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2486413 + ... + 6266784.

It is an arithmetic number, because the mean of its divisors is an integer number (1079111755836).

Almost surely, 2^{16545170424642} is an apocalyptic number.

16545170424642 is an abundant number, since it is smaller than the sum of its proper divisors (17986405762110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16545170424642 is a wasteful number, since it uses less digits than its factorization.

16545170424642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8766922.

The product of its (nonzero) digits is 6451200, while the sum is 51.

The spelling of 16545170424642 in words is "sixteen trillion, five hundred forty-five billion, one hundred seventy million, four hundred twenty-four thousand, six hundred forty-two".