1090634166923 has 16 divisors (see below), whose sum is σ = 1258659675840. Its totient is φ = 925704464256.

The previous prime is 1090634166907. The next prime is 1090634166943. The reversal of 1090634166923 is 3296614360901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1090634166923 - 2⁴ = 1090634166907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1090634166943) 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, 1371488 + ... + 2015501.

It is an arithmetic number, because the mean of its divisors is an integer number (78666229740).

Almost surely, 2^{1090634166923} is an apocalyptic number.

1090634166923 is a deficient number, since it is larger than the sum of its proper divisors (168025508917).

1090634166923 is a wasteful number, since it uses less digits than its factorization.

1090634166923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387446.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The spelling of 1090634166923 in words is "one trillion, ninety billion, six hundred thirty-four million, one hundred sixty-six thousand, nine hundred twenty-three".