1601523132 has 48 divisors (see below), whose sum is σ = 4171423872. Its totient is φ = 474022080.

The previous prime is 1601523113. The next prime is 1601523137. The reversal of 1601523132 is 2313251061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601523137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135403 + ... + 146754.

It is an arithmetic number, because the mean of its divisors is an integer number (86904664).

Almost surely, 2^1601523132 is an apocalyptic number.

1601523132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1601523132 is an abundant number, since it is smaller than the sum of its proper divisors (2569900740).

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

1601523132 is a wasteful number, since it uses less digits than its factorization.

1601523132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282218 (or 282216 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1601523132 is about 40019.0346210400. The cubic root of 1601523132 is about 1169.9781163268.

Adding to 1601523132 its reverse (2313251061), we get a palindrome (3914774193).

The spelling of 1601523132 in words is "one billion, six hundred one million, five hundred twenty-three thousand, one hundred thirty-two".