1601672072 has 64 divisors (see below), whose sum is σ = 4032201600. Its totient is φ = 576023040.

The previous prime is 1601672047. The next prime is 1601672087. The reversal of 1601672072 is 2702761061.

1601672072 is a modest number, since divided by 72072 gives 16016 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91997 + ... + 108012.

It is an arithmetic number, because the mean of its divisors is an integer number (63003150).

Almost surely, 2^1601672072 is an apocalyptic number.

It is an amenable number.

1601672072 is an abundant number, since it is smaller than the sum of its proper divisors (2430529528).

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

1601672072 is a wasteful number, since it uses less digits than its factorization.

1601672072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200046 (or 200042 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1601672072 is about 40020.8954422562. The cubic root of 1601672072 is about 1170.0143841220.

It can be divided in two parts, 16016 and 72072, that added together give a palindrome (88088).

The spelling of 1601672072 in words is "one billion, six hundred one million, six hundred seventy-two thousand, seventy-two".