1083658157 has 4 divisors (see below), whose sum is σ = 1090147296. Its totient is φ = 1077169020.

The previous prime is 1083658153. The next prime is 1083658171. The reversal of 1083658157 is 7518563801.

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 a cyclic number.

It is not a de Polignac number, because 1083658157 - 2² = 1083658153 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 (1083658151) 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, 3244319 + ... + 3244652.

It is an arithmetic number, because the mean of its divisors is an integer number (272536824).

Almost surely, 2^1083658157 is an apocalyptic number.

It is an amenable number.

1083658157 is a deficient number, since it is larger than the sum of its proper divisors (6489139).

1083658157 is an equidigital number, since it uses as much as digits as its factorization.

1083658157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6489138.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 1083658157 is about 32918.9634861124. The cubic root of 1083658157 is about 1027.1426626462.

The spelling of 1083658157 in words is "one billion, eighty-three million, six hundred fifty-eight thousand, one hundred fifty-seven".