148167681 has 16 divisors (see below), whose sum is σ = 209552640. Its totient is φ = 92860560.

The previous prime is 148167671. The next prime is 148167683. The reversal of 148167681 is 186761841.

It is not a de Polignac number, because 148167681 - 2²⁷ = 13949953 is a prime.

It is a super-2 number, since 2×148167681² = 43907323385835522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148167683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2455 + ... + 17388.

It is an arithmetic number, because the mean of its divisors is an integer number (13097040).

Almost surely, 2^148167681 is an apocalyptic number.

It is an amenable number.

148167681 is a deficient number, since it is larger than the sum of its proper divisors (61384959).

148167681 is a wasteful number, since it uses less digits than its factorization.

148167681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19996.

The product of its digits is 64512, while the sum is 42.

The square root of 148167681 is about 12172.4147563251. The cubic root of 148167681 is about 529.1569378196.

The spelling of 148167681 in words is "one hundred forty-eight million, one hundred sixty-seven thousand, six hundred eighty-one".