1601556342 has 64 divisors (see below), whose sum is σ = 3330167808. Its totient is φ = 513216000.

The previous prime is 1601556331. The next prime is 1601556461. The reversal of 1601556342 is 2436551061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5909667 + ... + 5909937.

It is an arithmetic number, because the mean of its divisors is an integer number (52033872).

Almost surely, 2^1601556342 is an apocalyptic number.

1601556342 is an abundant number, since it is smaller than the sum of its proper divisors (1728611466).

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

1601556342 is a wasteful number, since it uses less digits than its factorization.

1601556342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1601556342 is about 40019.4495464393. The cubic root of 1601556342 is about 1169.9862033584.

The spelling of 1601556342 in words is "one billion, six hundred one million, five hundred fifty-six thousand, three hundred forty-two".