16436947794 has 16 divisors (see below), whose sum is σ = 34807654368. Its totient is φ = 5156689472.

The previous prime is 16436947789. The next prime is 16436947799. The reversal of 16436947794 is 49774963461.

It is an interprime number because it is at equal distance from previous prime (16436947789) and next prime (16436947799).

It is not an unprimeable number, because it can be changed into a prime (16436947799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80573172 + ... + 80573375.

It is an arithmetic number, because the mean of its divisors is an integer number (2175478398).

Almost surely, 2^16436947794 is an apocalyptic number.

16436947794 is an abundant number, since it is smaller than the sum of its proper divisors (18370706574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16436947794 is a wasteful number, since it uses less digits than its factorization.

16436947794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161146569.

The product of its digits is 27433728, while the sum is 60.

The spelling of 16436947794 in words is "sixteen billion, four hundred thirty-six million, nine hundred forty-seven thousand, seven hundred ninety-four".