2016621615154 has 16 divisors (see below), whose sum is σ = 3041430842880. Its totient is φ = 1002824413920.

The previous prime is 2016621615149. The next prime is 2016621615179. The reversal of 2016621615154 is 4515161266102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2961114 + ... + 3577909.

It is an arithmetic number, because the mean of its divisors is an integer number (190089427680).

Almost surely, 2^{2016621615154} is an apocalyptic number.

2016621615154 is a deficient number, since it is larger than the sum of its proper divisors (1024809227726).

2016621615154 is a wasteful number, since it uses less digits than its factorization.

2016621615154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539865.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 2016621615154 in words is "two trillion, sixteen billion, six hundred twenty-one million, six hundred fifteen thousand, one hundred fifty-four".