1671770201 has 8 divisors (see below), whose sum is σ = 1726560000. Its totient is φ = 1617034320.

The previous prime is 1671770197. The next prime is 1671770207. The reversal of 1671770201 is 1020771761.

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 1671770201 - 2² = 1671770197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1671770207) 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, 55175 + ... + 79923.

It is an arithmetic number, because the mean of its divisors is an integer number (215820000).

Almost surely, 2^1671770201 is an apocalyptic number.

It is an amenable number.

1671770201 is a deficient number, since it is larger than the sum of its proper divisors (54789799).

1671770201 is a wasteful number, since it uses less digits than its factorization.

1671770201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26959.

The product of its (nonzero) digits is 4116, while the sum is 32.

The square root of 1671770201 is about 40887.2865448418. The cubic root of 1671770201 is about 1186.8400501595.

The spelling of 1671770201 in words is "one billion, six hundred seventy-one million, seven hundred seventy thousand, two hundred one".