1953620116 has 12 divisors (see below), whose sum is σ = 3907240288. Its totient is φ = 837265752.

The previous prime is 1953620113. The next prime is 1953620153. The reversal of 1953620116 is 6110263591.

1953620116 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1953620113) 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, 34886046 + ... + 34886101.

Almost surely, 2^1953620116 is an apocalyptic number.

It is an amenable number.

1953620116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1953620116 is a wasteful number, since it uses less digits than its factorization.

1953620116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69772158 (or 69772156 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1953620116 is about 44199.7750673010. The cubic root of 1953620116 is about 1250.1056158227.

The spelling of 1953620116 in words is "one billion, nine hundred fifty-three million, six hundred twenty thousand, one hundred sixteen".