16145995961558 has 32 divisors (see below), whose sum is σ = 24770203478496. Its totient is φ = 7891364994048.

The previous prime is 16145995961519. The next prime is 16145995961597. The reversal of 16145995961558 is 85516959954161.

It is an interprime number because it is at equal distance from previous prime (16145995961519) and next prime (16145995961597).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59974460 + ... + 60243072.

It is an arithmetic number, because the mean of its divisors is an integer number (774068858703).

Almost surely, 2^{16145995961558} is an apocalyptic number.

16145995961558 is a deficient number, since it is larger than the sum of its proper divisors (8624207516938).

16145995961558 is a wasteful number, since it uses less digits than its factorization.

16145995961558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272528.

The product of its digits is 524880000, while the sum is 74.

The spelling of 16145995961558 in words is "sixteen trillion, one hundred forty-five billion, nine hundred ninety-five million, nine hundred sixty-one thousand, five hundred fifty-eight".