6146381186451 has 18 divisors (see below), whose sum is σ = 9758579497940. Its totient is φ = 3725079506280.

The previous prime is 6146381186431. The next prime is 6146381186461. The reversal of 6146381186451 is 1546811836416.

6146381186451 is a `hidden beast` number, since 6 + 1 + 4 + 6 + 3 + 8 + 1 + 186 + 451 = 666.

It is not a de Polignac number, because 6146381186451 - 2³⁵ = 6112021448083 is a prime.

It is a super-4 number, since 4×6146381186451⁴ (a number of 52 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6146381186431) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2822028841 + ... + 2822031018.

Almost surely, 2^{6146381186451} is an apocalyptic number.

6146381186451 is a deficient number, since it is larger than the sum of its proper divisors (3612198311489).

6146381186451 is a wasteful number, since it uses less digits than its factorization.

6146381186451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644059887 (or 5644059873 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 6146381186451 in words is "six trillion, one hundred forty-six billion, three hundred eighty-one million, one hundred eighty-six thousand, four hundred fifty-one".