1671745011 has 8 divisors (see below), whose sum is σ = 2238320640. Its totient is φ = 1109833032.

The previous prime is 1671745007. The next prime is 1671745043. The reversal of 1671745011 is 1105471761.

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

It is not a de Polignac number, because 1671745011 - 2² = 1671745007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1671745511) 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, 1165075 + ... + 1166508.

It is an arithmetic number, because the mean of its divisors is an integer number (279790080).

Almost surely, 2^1671745011 is an apocalyptic number.

1671745011 is a deficient number, since it is larger than the sum of its proper divisors (566575629).

1671745011 is a wasteful number, since it uses less digits than its factorization.

1671745011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331825.

The product of its (nonzero) digits is 5880, while the sum is 33.

The square root of 1671745011 is about 40886.9785017186. The cubic root of 1671745011 is about 1186.8340890829.

The spelling of 1671745011 in words is "one billion, six hundred seventy-one million, seven hundred forty-five thousand, eleven".