16146731402 has 8 divisors (see below), whose sum is σ = 24874694436. Its totient is φ = 7855166592.

The previous prime is 16146731401. The next prime is 16146731407. The reversal of 16146731402 is 20413764161.

It can be written as a sum of positive squares in 2 ways, for example, as 14030639401 + 2116092001 = 118451^2 + 46001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16146731401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109099463 + ... + 109099610.

Almost surely, 2^16146731402 is an apocalyptic number.

16146731402 is a deficient number, since it is larger than the sum of its proper divisors (8727963034).

16146731402 is a wasteful number, since it uses less digits than its factorization.

16146731402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218199112.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 16146731402 in words is "sixteen billion, one hundred forty-six million, seven hundred thirty-one thousand, four hundred two".