16015668854 has 4 divisors (see below), whose sum is σ = 24023503284. Its totient is φ = 8007834426.

The previous prime is 16015668853. The next prime is 16015668953. The reversal of 16015668854 is 45886651061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45886651061 = 89 ⋅515580349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16015668853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4003917212 + ... + 4003917215.

It is an arithmetic number, because the mean of its divisors is an integer number (6005875821).

Almost surely, 2^16015668854 is an apocalyptic number.

16015668854 is a deficient number, since it is larger than the sum of its proper divisors (8007834430).

16015668854 is an equidigital number, since it uses as much as digits as its factorization.

16015668854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007834429.

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 16015668854 in words is "sixteen billion, fifteen million, six hundred sixty-eight thousand, eight hundred fifty-four".