16476415642 has 4 divisors (see below), whose sum is σ = 24714623466. Its totient is φ = 8238207820.

The previous prime is 16476415639. The next prime is 16476415643. The reversal of 16476415642 is 24651467461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24651467461 = 127 ⋅194106043.

It can be written as a sum of positive squares in only one way, i.e., 16368899481 + 107516161 = 127941^2 + 10369^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16476415592 and 16476415601.

It is not an unprimeable number, because it can be changed into a prime (16476415643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4119103909 + ... + 4119103912.

Almost surely, 2^16476415642 is an apocalyptic number.

16476415642 is a deficient number, since it is larger than the sum of its proper divisors (8238207824).

16476415642 is an equidigital number, since it uses as much as digits as its factorization.

16476415642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8238207823.

The product of its digits is 967680, while the sum is 46.

The spelling of 16476415642 in words is "sixteen billion, four hundred seventy-six million, four hundred fifteen thousand, six hundred forty-two".