1481067681 has 16 divisors (see below), whose sum is σ = 2075670144. Its totient is φ = 937549184.

The previous prime is 1481067661. The next prime is 1481067691. The reversal of 1481067681 is 1867601841.

It is not a de Polignac number, because 1481067681 - 2¹¹ = 1481065633 is a prime.

It is a super-2 number, since 2×1481067681² = 4387122951405435522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1481067611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68886 + ... + 87791.

It is an arithmetic number, because the mean of its divisors is an integer number (129729384).

Almost surely, 2^1481067681 is an apocalyptic number.

It is an amenable number.

1481067681 is a deficient number, since it is larger than the sum of its proper divisors (594602463).

1481067681 is a wasteful number, since it uses less digits than its factorization.

1481067681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156840.

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

The square root of 1481067681 is about 38484.6421446270. The cubic root of 1481067681 is about 1139.8778162371.

The spelling of 1481067681 in words is "one billion, four hundred eighty-one million, sixty-seven thousand, six hundred eighty-one".