848167661 has 4 divisors (see below), whose sum is σ = 925273824. Its totient is φ = 771061500.

The previous prime is 848167609. The next prime is 848167667. The reversal of 848167661 is 166761848.

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 not a de Polignac number, because 848167661 - 2¹⁴ = 848151277 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 (848167667) 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, 38553065 + ... + 38553086.

It is an arithmetic number, because the mean of its divisors is an integer number (231318456).

Almost surely, 2^848167661 is an apocalyptic number.

It is an amenable number.

848167661 is a deficient number, since it is larger than the sum of its proper divisors (77106163).

848167661 is a wasteful number, since it uses less digits than its factorization.

848167661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77106162.

The product of its digits is 387072, while the sum is 47.

The square root of 848167661 is about 29123.3181660332. The cubic root of 848167661 is about 946.5870743411.

The spelling of 848167661 in words is "eight hundred forty-eight million, one hundred sixty-seven thousand, six hundred sixty-one".