1516671486 has 64 divisors (see below), whose sum is σ = 3689199360. Its totient is φ = 458045280.

The previous prime is 1516671461. The next prime is 1516671491. The reversal of 1516671486 is 6841766151.

1516671486 is a `hidden beast` number, since 1 + 5 + 166 + 7 + 1 + 486 = 666.

Its product of digits (241920) is a multiple of the sum of its prime divisors (8640).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178200 + ... + 186516.

It is an arithmetic number, because the mean of its divisors is an integer number (57643740).

Almost surely, 2^1516671486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1516671486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1844599680).

1516671486 is an abundant number, since it is smaller than the sum of its proper divisors (2172527874).

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

1516671486 is a wasteful number, since it uses less digits than its factorization.

1516671486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8646 (or 8640 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 1516671486 is about 38944.4666929719. The cubic root of 1516671486 is about 1148.9395355703.

The spelling of 1516671486 in words is "one billion, five hundred sixteen million, six hundred seventy-one thousand, four hundred eighty-six".