16940100078645 has 32 divisors (see below), whose sum is σ = 27278257324032. Its totient is φ = 8976867039552.

The previous prime is 16940100078631. The next prime is 16940100078661. The reversal of 16940100078645 is 54687000104961.

16940100078645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16940100078645 - 2¹⁵ = 16940100045877 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4094899 + ... + 7116768.

It is an arithmetic number, because the mean of its divisors is an integer number (852445541376).

Almost surely, 2^{16940100078645} is an apocalyptic number.

16940100078645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16940100078645 is a deficient number, since it is larger than the sum of its proper divisors (10338157245387).

16940100078645 is a wasteful number, since it uses less digits than its factorization.

16940100078645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212321.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 16940100078645 in words is "sixteen trillion, nine hundred forty billion, one hundred million, seventy-eight thousand, six hundred forty-five".