1157621663066 has 32 divisors (see below), whose sum is σ = 1899834412608. Its totient is φ = 524653597440.

The previous prime is 1157621662969. The next prime is 1157621663087. The reversal of 1157621663066 is 6603661267511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11421026 + ... + 11521938.

It is an arithmetic number, because the mean of its divisors is an integer number (59369825394).

Almost surely, 2^{1157621663066} is an apocalyptic number.

1157621663066 is a deficient number, since it is larger than the sum of its proper divisors (742212749542).

1157621663066 is a wasteful number, since it uses less digits than its factorization.

1157621663066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102446.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 1157621663066 in words is "one trillion, one hundred fifty-seven billion, six hundred twenty-one million, six hundred sixty-three thousand, sixty-six".