1090164657 has 4 divisors (see below), whose sum is σ = 1453552880. Its totient is φ = 726776436.

The previous prime is 1090164643. The next prime is 1090164659. The reversal of 1090164657 is 7564610901.

1090164657 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1090164657 - 2⁴ = 1090164641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090164659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181694107 + ... + 181694112.

It is an arithmetic number, because the mean of its divisors is an integer number (363388220).

Almost surely, 2^1090164657 is an apocalyptic number.

It is an amenable number.

1090164657 is a deficient number, since it is larger than the sum of its proper divisors (363388223).

1090164657 is an equidigital number, since it uses as much as digits as its factorization.

1090164657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363388222.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1090164657 is about 33017.6416026342. The cubic root of 1090164657 is about 1029.1942852195.

The spelling of 1090164657 in words is "one billion, ninety million, one hundred sixty-four thousand, six hundred fifty-seven".