1670480999 has 8 divisors (see below), whose sum is σ = 1866790800. Its totient is φ = 1481579200.

The previous prime is 1670480989. The next prime is 1670481019. The reversal of 1670480999 is 9990840761.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1670480999 - 2⁸ = 1670480743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1670480999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670480989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851524 + ... + 1852425.

It is an arithmetic number, because the mean of its divisors is an integer number (233348850).

Almost surely, 2^1670480999 is an apocalyptic number.

1670480999 is a deficient number, since it is larger than the sum of its proper divisors (196309801).

1670480999 is a wasteful number, since it uses less digits than its factorization.

1670480999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704001.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 1670480999 is about 40871.5181880977. The cubic root of 1670480999 is about 1186.5348905857.

The spelling of 1670480999 in words is "one billion, six hundred seventy million, four hundred eighty thousand, nine hundred ninety-nine".