1171662057 has 16 divisors (see below), whose sum is σ = 1736415360. Its totient is φ = 780829200.

The previous prime is 1171662047. The next prime is 1171662059. The reversal of 1171662057 is 7502661711.

1171662057 is a `hidden beast` number, since 1 + 17 + 16 + 620 + 5 + 7 = 666.

It is not a de Polignac number, because 1171662057 - 2⁶ = 1171661993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1171662059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93207 + ... + 105027.

It is an arithmetic number, because the mean of its divisors is an integer number (108525960).

Almost surely, 2^1171662057 is an apocalyptic number.

It is an amenable number.

1171662057 is a deficient number, since it is larger than the sum of its proper divisors (564753303).

1171662057 is a wasteful number, since it uses less digits than its factorization.

1171662057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15501 (or 15495 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 1171662057 is about 34229.5494711806. The cubic root of 1171662057 is about 1054.2269688852.

The spelling of 1171662057 in words is "one billion, one hundred seventy-one million, six hundred sixty-two thousand, fifty-seven".