16154661432140 has 48 divisors (see below), whose sum is σ = 42295840844544. Its totient is φ = 5035219147200.

The previous prime is 16154661432109. The next prime is 16154661432157. The reversal of 16154661432140 is 4123416645161.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 16154661432091 and 16154661432100.

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, 5245018406 + ... + 5245021485.

It is an arithmetic number, because the mean of its divisors is an integer number (881163350928).

Almost surely, 2^{16154661432140} is an apocalyptic number.

16154661432140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16154661432140 is an abundant number, since it is smaller than the sum of its proper divisors (26141179412404).

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

16154661432140 is a wasteful number, since it uses less digits than its factorization.

16154661432140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10490039918 (or 10490039916 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 16154661432140 in words is "sixteen trillion, one hundred fifty-four billion, six hundred sixty-one million, four hundred thirty-two thousand, one hundred forty".