1670536499 has 4 divisors (see below), whose sum is σ = 1670619720. Its totient is φ = 1670453280.

The previous prime is 1670536477. The next prime is 1670536523. The reversal of 1670536499 is 9946350761.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1670536499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670536429) 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, 9104 + ... + 58514.

It is an arithmetic number, because the mean of its divisors is an integer number (417654930).

Almost surely, 2^1670536499 is an apocalyptic number.

1670536499 is a deficient number, since it is larger than the sum of its proper divisors (83221).

1670536499 is an equidigital number, since it uses as much as digits as its factorization.

1670536499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83220.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 1670536499 is about 40872.1971393758. The cubic root of 1670536499 is about 1186.5480309042.

The spelling of 1670536499 in words is "one billion, six hundred seventy million, five hundred thirty-six thousand, four hundred ninety-nine".