1886481161 has 8 divisors (see below), whose sum is σ = 1955846400. Its totient is φ = 1817647920.

The previous prime is 1886481151. The next prime is 1886481193. The reversal of 1886481161 is 1611846881.

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 1886481161 - 2¹⁰ = 1886480137 is a prime.

It is a super-2 number, since 2×1886481161² = 7117622341615815842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1886481151) 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, 125771 + ... + 139968.

It is an arithmetic number, because the mean of its divisors is an integer number (244480800).

Almost surely, 2^1886481161 is an apocalyptic number.

It is an amenable number.

1886481161 is a deficient number, since it is larger than the sum of its proper divisors (69365239).

1886481161 is a wasteful number, since it uses less digits than its factorization.

1886481161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265999.

The product of its digits is 73728, while the sum is 44.

The square root of 1886481161 is about 43433.6408904434. The cubic root of 1886481161 is about 1235.6178042872.

The spelling of 1886481161 in words is "one billion, eight hundred eighty-six million, four hundred eighty-one thousand, one hundred sixty-one".