16351015442 has 16 divisors (see below), whose sum is σ = 24774987672. Its totient is φ = 8092723200.

The previous prime is 16351015433. The next prime is 16351015453. The reversal of 16351015442 is 24451015361.

It can be written as a sum of positive squares in 4 ways, for example, as 16350992641 + 22801 = 127871^2 + 151^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16351015399 and 16351015408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468448 + ... + 1479540.

Almost surely, 2^16351015442 is an apocalyptic number.

16351015442 is a deficient number, since it is larger than the sum of its proper divisors (8423972230).

16351015442 is a wasteful number, since it uses less digits than its factorization.

16351015442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18493.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 16351015442 in words is "sixteen billion, three hundred fifty-one million, fifteen thousand, four hundred forty-two".