1001664098 has 16 divisors (see below), whose sum is σ = 1538801880. Its totient is φ = 488871936.

The previous prime is 1001664077. The next prime is 1001664127. The reversal of 1001664098 is 8904661001.

It can be written as a sum of positive squares in 4 ways, for example, as 904385329 + 97278769 = 30073^2 + 9863^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21203 + ... + 49526.

Almost surely, 2^1001664098 is an apocalyptic number.

1001664098 is a deficient number, since it is larger than the sum of its proper divisors (537137782).

1001664098 is an equidigital number, since it uses as much as digits as its factorization.

1001664098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70901.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1001664098 is about 31649.0773641192. The cubic root of 1001664098 is about 1000.5543919261.

The spelling of 1001664098 in words is "one billion, one million, six hundred sixty-four thousand, ninety-eight".