1861466514 has 16 divisors (see below), whose sum is σ = 3726620352. Its totient is φ = 619874288.

The previous prime is 1861466513. The next prime is 1861466549. The reversal of 1861466514 is 4156641681.

It is not an unprimeable number, because it can be changed into a prime (1861466513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147054 + ... + 159209.

It is an arithmetic number, because the mean of its divisors is an integer number (232913772).

Almost surely, 2^1861466514 is an apocalyptic number.

1861466514 is an abundant number, since it is smaller than the sum of its proper divisors (1865153838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1861466514 is a wasteful number, since it uses less digits than its factorization.

1861466514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307281.

The product of its digits is 138240, while the sum is 42.

The square root of 1861466514 is about 43144.7159452928. The cubic root of 1861466514 is about 1230.1320751823.

The spelling of 1861466514 in words is "one billion, eight hundred sixty-one million, four hundred sixty-six thousand, five hundred fourteen".