1957132916 has 24 divisors (see below), whose sum is σ = 3463432896. Its totient is φ = 967599360.

The previous prime is 1957132907. The next prime is 1957132921. The reversal of 1957132916 is 6192317591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715271 + ... + 718001.

It is an arithmetic number, because the mean of its divisors is an integer number (144309704).

Almost surely, 2^1957132916 is an apocalyptic number.

It is an amenable number.

1957132916 is a deficient number, since it is larger than the sum of its proper divisors (1506299980).

1957132916 is a wasteful number, since it uses less digits than its factorization.

1957132916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679 (or 4677 counting only the distinct ones).

The product of its digits is 102060, while the sum is 44.

The square root of 1957132916 is about 44239.4949790343. The cubic root of 1957132916 is about 1250.8544378956.

The spelling of 1957132916 in words is "one billion, nine hundred fifty-seven million, one hundred thirty-two thousand, nine hundred sixteen".