1951936616 has 16 divisors (see below), whose sum is σ = 4182721440. Its totient is φ = 836544240.

The previous prime is 1951936601. The next prime is 1951936619. The reversal of 1951936616 is 6166391591.

It is not an unprimeable number, because it can be changed into a prime (1951936619) 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, 17427950 + ... + 17428061.

It is an arithmetic number, because the mean of its divisors is an integer number (261420090).

Almost surely, 2^1951936616 is an apocalyptic number.

It is an amenable number.

1951936616 is an abundant number, since it is smaller than the sum of its proper divisors (2230784824).

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

1951936616 is a wasteful number, since it uses less digits than its factorization.

1951936616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34856024 (or 34856020 counting only the distinct ones).

The product of its digits is 262440, while the sum is 47.

The square root of 1951936616 is about 44180.7267482100. The cubic root of 1951936616 is about 1249.7464266439.

The spelling of 1951936616 in words is "one billion, nine hundred fifty-one million, nine hundred thirty-six thousand, six hundred sixteen".