406163110777 has 4 divisors (see below), whose sum is σ = 415608764560. Its totient is φ = 396717456996.

The previous prime is 406163110733. The next prime is 406163110799. The reversal of 406163110777 is 777011361604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-406163110777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 9445653739 = 406163110777 / (4 + 0 + 6 + 1 + 6 + 3 + 1 + 1 + 0 + 7 + 7 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406163110477) 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, 4722826827 + ... + 4722826912.

It is an arithmetic number, because the mean of its divisors is an integer number (103902191140).

Almost surely, 2^406163110777 is an apocalyptic number.

It is an amenable number.

406163110777 is a deficient number, since it is larger than the sum of its proper divisors (9445653783).

406163110777 is an equidigital number, since it uses as much as digits as its factorization.

406163110777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445653782.

The product of its (nonzero) digits is 148176, while the sum is 43.

The spelling of 406163110777 in words is "four hundred six billion, one hundred sixty-three million, one hundred ten thousand, seven hundred seventy-seven".