1616047072 has 12 divisors (see below), whose sum is σ = 3181592736. Its totient is φ = 808023520.

The previous prime is 1616047051. The next prime is 1616047073. The reversal of 1616047072 is 2707406161.

It is a happy number.

It is a super-2 number, since 2×1616047072² = 5223216277839546368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616047073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25250704 + ... + 25250767.

It is an arithmetic number, because the mean of its divisors is an integer number (265132728).

Almost surely, 2^1616047072 is an apocalyptic number.

It is an amenable number.

1616047072 is a deficient number, since it is larger than the sum of its proper divisors (1565545664).

1616047072 is an equidigital number, since it uses as much as digits as its factorization.

1616047072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50501481 (or 50501473 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 1616047072 is about 40200.0879601028. The cubic root of 1616047072 is about 1173.5042556901.

The spelling of 1616047072 in words is "one billion, six hundred sixteen million, forty-seven thousand, seventy-two".