16430677402 has 4 divisors (see below), whose sum is σ = 24646016106. Its totient is φ = 8215338700.

The previous prime is 16430677391. The next prime is 16430677433. The reversal of 16430677402 is 20477603461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20477603461 = 7 ⋅2925371923.

It can be written as a sum of positive squares in only one way, i.e., 11622780481 + 4807896921 = 107809^2 + 69339^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4107669349 + ... + 4107669352.

Almost surely, 2^16430677402 is an apocalyptic number.

16430677402 is a deficient number, since it is larger than the sum of its proper divisors (8215338704).

16430677402 is an equidigital number, since it uses as much as digits as its factorization.

16430677402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8215338703.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 16430677402 in words is "sixteen billion, four hundred thirty million, six hundred seventy-seven thousand, four hundred two".