378613166941 has 4 divisors (see below), whose sum is σ = 378645725052. Its totient is φ = 378580608832.

The previous prime is 378613166929. The next prime is 378613167061. The reversal of 378613166941 is 149661316873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 149661316873 = 593 ⋅252379961.

It can be written as a sum of positive squares in 2 ways, for example, as 277523508025 + 101089658916 = 526805^2 + 317946^2 .

It is a cyclic number.

It is not a de Polignac number, because 378613166941 - 2⁹ = 378613166429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378613166341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16261606 + ... + 16284871.

It is an arithmetic number, because the mean of its divisors is an integer number (94661431263).

Almost surely, 2^378613166941 is an apocalyptic number.

It is an amenable number.

378613166941 is a deficient number, since it is larger than the sum of its proper divisors (32558111).

378613166941 is a wasteful number, since it uses less digits than its factorization.

378613166941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32558110.

The product of its digits is 3919104, while the sum is 55.

The spelling of 378613166941 in words is "three hundred seventy-eight billion, six hundred thirteen million, one hundred sixty-six thousand, nine hundred forty-one".