1671260290 has 64 divisors (see below), whose sum is σ = 3479781888. Its totient is φ = 566092800.

The previous prime is 1671260243. The next prime is 1671260309. The reversal of 1671260290 is 920621761.

It is a super-2 number, since 2×1671260290² = 5586221913861768200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2648275 + ... + 2648905.

It is an arithmetic number, because the mean of its divisors is an integer number (54371592).

Almost surely, 2^1671260290 is an apocalyptic number.

1671260290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1671260290 is an abundant number, since it is smaller than the sum of its proper divisors (1808521598).

1671260290 is a wasteful number, since it uses less digits than its factorization.

1671260290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1671260290 is about 40881.0505002012. The cubic root of 1671260290 is about 1186.7193708269.

The spelling of 1671260290 in words is "one billion, six hundred seventy-one million, two hundred sixty thousand, two hundred ninety".