1601011672 has 16 divisors (see below), whose sum is σ = 3232812240. Its totient is φ = 738928416.

The previous prime is 1601011661. The next prime is 1601011679. The reversal of 1601011672 is 2761101061.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601011679) 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, 7697068 + ... + 7697275.

It is an arithmetic number, because the mean of its divisors is an integer number (202050765).

Almost surely, 2^1601011672 is an apocalyptic number.

It is an amenable number.

1601011672 is an abundant number, since it is smaller than the sum of its proper divisors (1631800568).

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

1601011672 is a wasteful number, since it uses less digits than its factorization.

1601011672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15394362 (or 15394358 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1601011672 is about 40012.6439016469. The cubic root of 1601011672 is about 1169.8535555867.

The spelling of 1601011672 in words is "one billion, six hundred one million, eleven thousand, six hundred seventy-two".