16151940997854 has 32 divisors (see below), whose sum is σ = 32356143705984. Its totient is φ = 5375275668000.

The previous prime is 16151940997813. The next prime is 16151940997859. The reversal of 16151940997854 is 45879904915161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16151940997859) by changing a digit.

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, 10819617 + ... + 12221619.

It is an arithmetic number, because the mean of its divisors is an integer number (1011129490812).

Almost surely, 2^{16151940997854} is an apocalyptic number.

16151940997854 is an abundant number, since it is smaller than the sum of its proper divisors (16204202708130).

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

16151940997854 is a wasteful number, since it uses less digits than its factorization.

16151940997854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405112.

The product of its (nonzero) digits is 97977600, while the sum is 69.

The spelling of 16151940997854 in words is "sixteen trillion, one hundred fifty-one billion, nine hundred forty million, nine hundred ninety-seven thousand, eight hundred fifty-four".