1163390206957 has 16 divisors (see below), whose sum is σ = 1283186363904. Its totient is φ = 1045994670000.

The previous prime is 1163390206931. The next prime is 1163390206991. The reversal of 1163390206957 is 7596020933611.

It is a cyclic number.

It is not a de Polignac number, because 1163390206957 - 2⁷ = 1163390206829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163390206157) 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, 1165719 + ... + 1919812.

It is an arithmetic number, because the mean of its divisors is an integer number (80199147744).

Almost surely, 2^{1163390206957} is an apocalyptic number.

It is an amenable number.

1163390206957 is a deficient number, since it is larger than the sum of its proper divisors (119796156947).

1163390206957 is a wasteful number, since it uses less digits than its factorization.

1163390206957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085920.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The spelling of 1163390206957 in words is "one trillion, one hundred sixty-three billion, three hundred ninety million, two hundred six thousand, nine hundred fifty-seven".