16740155966 has 4 divisors (see below), whose sum is σ = 25110233952. Its totient is φ = 8370077982.

The previous prime is 16740155879. The next prime is 16740155977. The reversal of 16740155966 is 66955104761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66955104761 = 245317 ⋅272933.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4185038990 + ... + 4185038993.

It is an arithmetic number, because the mean of its divisors is an integer number (6277558488).

Almost surely, 2^16740155966 is an apocalyptic number.

16740155966 is a deficient number, since it is larger than the sum of its proper divisors (8370077986).

16740155966 is an equidigital number, since it uses as much as digits as its factorization.

16740155966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8370077985.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 16740155966 in words is "sixteen billion, seven hundred forty million, one hundred fifty-five thousand, nine hundred sixty-six".