1601653120 has 32 divisors (see below), whose sum is σ = 3828953520. Its totient is φ = 640660992.

The previous prime is 1601653111. The next prime is 1601653129. The reversal of 1601653120 is 213561061.

It is an interprime number because it is at equal distance from previous prime (1601653111) and next prime (1601653129).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601653129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250652 + ... + 1251931.

Almost surely, 2^1601653120 is an apocalyptic number.

1601653120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1601653120 is an abundant number, since it is smaller than the sum of its proper divisors (2227300400).

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

1601653120 is an equidigital number, since it uses as much as digits as its factorization.

1601653120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502602 (or 2502590 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1601653120 is about 40020.6586652444. The cubic root of 1601653120 is about 1170.0097693196.

The spelling of 1601653120 in words is "one billion, six hundred one million, six hundred fifty-three thousand, one hundred twenty".