1532068881 has 16 divisors (see below), whose sum is σ = 2335180800. Its totient is φ = 875243088.

The previous prime is 1532068859. The next prime is 1532068897. The reversal of 1532068881 is 1888602351.

It is not a de Polignac number, because 1532068881 - 2¹⁹ = 1531544593 is a prime.

It is a super-2 number, since 2×1532068881² = 4694470112257184322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1532069881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109290 + ... + 122508.

It is an arithmetic number, because the mean of its divisors is an integer number (145948800).

Almost surely, 2^1532068881 is an apocalyptic number.

It is an amenable number.

1532068881 is a deficient number, since it is larger than the sum of its proper divisors (803111919).

1532068881 is a wasteful number, since it uses less digits than its factorization.

1532068881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18748.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 1532068881 is about 39141.6514853423. The cubic root of 1532068881 is about 1152.8145002733.

The spelling of 1532068881 in words is "one billion, five hundred thirty-two million, sixty-eight thousand, eight hundred eighty-one".