1604632542 has 16 divisors (see below), whose sum is σ = 3210493440. Its totient is φ = 534672792.

The previous prime is 1604632537. The next prime is 1604632543. The reversal of 1604632542 is 2452364061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604632543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33742 + ... + 65937.

It is an arithmetic number, because the mean of its divisors is an integer number (200655840).

Almost surely, 2^1604632542 is an apocalyptic number.

1604632542 is an abundant number, since it is smaller than the sum of its proper divisors (1605860898).

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

1604632542 is a wasteful number, since it uses less digits than its factorization.

1604632542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102367.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 1604632542 is about 40057.8649206370. The cubic root of 1604632542 is about 1170.7348105269.

The spelling of 1604632542 in words is "one billion, six hundred four million, six hundred thirty-two thousand, five hundred forty-two".