371471661 has 12 divisors (see below), whose sum is σ = 585349440. Its totient is φ = 225134280.

The previous prime is 371471629. The next prime is 371471677. The reversal of 371471661 is 166174173.

It is not a de Polignac number, because 371471661 - 2⁵ = 371471629 is a prime.

It is a super-3 number, since 3×371471661³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (371471461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1876021 + ... + 1876218.

It is an arithmetic number, because the mean of its divisors is an integer number (48779120).

Almost surely, 2^371471661 is an apocalyptic number.

It is an amenable number.

371471661 is a deficient number, since it is larger than the sum of its proper divisors (213877779).

371471661 is a wasteful number, since it uses less digits than its factorization.

371471661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752256 (or 3752253 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 371471661 is about 19273.6001048066. The cubic root of 371471661 is about 718.8559899549.

The spelling of 371471661 in words is "three hundred seventy-one million, four hundred seventy-one thousand, six hundred sixty-one".