201604365542 has 32 divisors (see below), whose sum is σ = 327099617280. Its totient is φ = 92828014720.

The previous prime is 201604365533. The next prime is 201604365563. The reversal of 201604365542 is 245563406102.

It is a junction number, because it is equal to n+sod(n) for n = 201604365496 and 201604365505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6406667 + ... + 6438057.

It is an arithmetic number, because the mean of its divisors is an integer number (10221863040).

Almost surely, 2^201604365542 is an apocalyptic number.

201604365542 is a deficient number, since it is larger than the sum of its proper divisors (125495251738).

201604365542 is a wasteful number, since it uses less digits than its factorization.

201604365542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35476.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 201604365542 in words is "two hundred one billion, six hundred four million, three hundred sixty-five thousand, five hundred forty-two".