2971633616 has 30 divisors (see below), whose sum is σ = 6697548450. Its totient is φ = 1273556928.

The previous prime is 2971633607. The next prime is 2971633631. The reversal of 2971633616 is 6163361792.

It is a happy number.

2971633616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2346433600 + 625200016 = 48440^2 + 25004^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1894391 + ... + 1895958.

It is an arithmetic number, because the mean of its divisors is an integer number (223251615).

Almost surely, 2^2971633616 is an apocalyptic number.

It is an amenable number.

2971633616 is an abundant number, since it is smaller than the sum of its proper divisors (3725914834).

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

2971633616 is a wasteful number, since it uses less digits than its factorization.

2971633616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790371 (or 3790358 counting only the distinct ones).

The product of its digits is 244944, while the sum is 44.

The square root of 2971633616 is about 54512.6922468520. The cubic root of 2971633616 is about 1437.6894556194.

The spelling of 2971633616 in words is "two billion, nine hundred seventy-one million, six hundred thirty-three thousand, six hundred sixteen".