1090169481 has 8 divisors (see below), whose sum is σ = 1454369184. Its totient is φ = 726374720.

The previous prime is 1090169477. The next prime is 1090169501. The reversal of 1090169481 is 1849610901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1090169481 - 2² = 1090169477 is a prime.

It is a super-2 number, since 2×1090169481² = 2376938994607618722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1090169401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94896 + ... + 105761.

It is an arithmetic number, because the mean of its divisors is an integer number (181796148).

Almost surely, 2^1090169481 is an apocalyptic number.

It is an amenable number.

1090169481 is a deficient number, since it is larger than the sum of its proper divisors (364199703).

1090169481 is a wasteful number, since it uses less digits than its factorization.

1090169481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202471.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 1090169481 is about 33017.7146544094. The cubic root of 1090169481 is about 1029.1958032856.

The spelling of 1090169481 in words is "one billion, ninety million, one hundred sixty-nine thousand, four hundred eighty-one".