8361154494 has 72 divisors (see below), whose sum is σ = 22989323448. Its totient is φ = 2171725920.

The previous prime is 8361154481. The next prime is 8361154507. The reversal of 8361154494 is 4944511638.

8361154494 is a `hidden beast` number, since 8 + 3 + 6 + 1 + 154 + 494 = 666.

It is an interprime number because it is at equal distance from previous prime (8361154481) and next prime (8361154507).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 421197 + ... + 440600.

It is an arithmetic number, because the mean of its divisors is an integer number (319296159).

Almost surely, 2^8361154494 is an apocalyptic number.

8361154494 is an abundant number, since it is smaller than the sum of its proper divisors (14628168954).

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

8361154494 is a wasteful number, since it uses less digits than its factorization.

8361154494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861830 (or 861820 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 8361154494 is about 91439.3487181531. The cubic root of 8361154494 is about 2029.6543446353.

It can be divided in two parts, 83611544 and 94, that added together give a palindrome (83611638).

The spelling of 8361154494 in words is "eight billion, three hundred sixty-one million, one hundred fifty-four thousand, four hundred ninety-four".