2016401572 has 48 divisors (see below), whose sum is σ = 3699730944. Its totient is φ = 960480000.

The previous prime is 2016401549. The next prime is 2016401591. The reversal of 2016401572 is 2751046102.

It is a self number, because there is not a number n which added to its sum of digits gives 2016401572.

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, 2917747 + ... + 2918437.

It is an arithmetic number, because the mean of its divisors is an integer number (77077728).

Almost surely, 2^2016401572 is an apocalyptic number.

It is an amenable number.

2016401572 is a deficient number, since it is larger than the sum of its proper divisors (1683329372).

2016401572 is a wasteful number, since it uses less digits than its factorization.

2016401572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2016401572 is about 44904.3602782625. The cubic root of 2016401572 is about 1263.3557920432.

Adding to 2016401572 its reverse (2751046102), we get a palindrome (4767447674).

The spelling of 2016401572 in words is "two billion, sixteen million, four hundred one thousand, five hundred seventy-two".