49665746161607 has 4 divisors (see below), whose sum is σ = 50602835711880. Its totient is φ = 48728656611336.

The previous prime is 49665746161601. The next prime is 49665746161667. The reversal of 49665746161607 is 70616164756694.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49665746161607 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 (49665746161601) 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, 468544775057 + ... + 468544775162.

It is an arithmetic number, because the mean of its divisors is an integer number (12650708927970).

Almost surely, 2^{49665746161607} is an apocalyptic number.

49665746161607 is a deficient number, since it is larger than the sum of its proper divisors (937089550273).

49665746161607 is an equidigital number, since it uses as much as digits as its factorization.

49665746161607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937089550272.

The product of its (nonzero) digits is 274337280, while the sum is 68.

The spelling of 49665746161607 in words is "forty-nine trillion, six hundred sixty-five billion, seven hundred forty-six million, one hundred sixty-one thousand, six hundred seven".