16123193770 has 32 divisors (see below), whose sum is σ = 29139166800. Its totient is φ = 6423223296.

The previous prime is 16123193767. The next prime is 16123193773. The reversal of 16123193770 is 7739132161.

It is an interprime number because it is at equal distance from previous prime (16123193767) and next prime (16123193773).

It can be written as a sum of positive squares in 8 ways, for example, as 449906521 + 15673287249 = 21211^2 + 125193^2 .

It is not an unprimeable number, because it can be changed into a prime (16123193773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6747736 + ... + 6750124.

Almost surely, 2^16123193770 is an apocalyptic number.

16123193770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16123193770 is a deficient number, since it is larger than the sum of its proper divisors (13015973030).

16123193770 is a wasteful number, since it uses less digits than its factorization.

16123193770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842.

The product of its (nonzero) digits is 47628, while the sum is 40.

The spelling of 16123193770 in words is "sixteen billion, one hundred twenty-three million, one hundred ninety-three thousand, seven hundred seventy".