16540604142 has 8 divisors (see below), whose sum is σ = 33081208296. Its totient is φ = 5513534712.

The previous prime is 16540604131. The next prime is 16540604173. The reversal of 16540604142 is 24140604561.

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

16540604142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378383673 + ... + 1378383684.

It is an arithmetic number, because the mean of its divisors is an integer number (4135151037).

Almost surely, 2^16540604142 is an apocalyptic number.

16540604142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16540604142 is a wasteful number, since it uses less digits than its factorization.

16540604142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756767362.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 16540604142 in words is "sixteen billion, five hundred forty million, six hundred four thousand, one hundred forty-two".