1097161470 has 128 divisors (see below), whose sum is σ = 3120353280. Its totient is φ = 273369600.

The previous prime is 1097161447. The next prime is 1097161477. The reversal of 1097161470 is 741617901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097161477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 692299 + ... + 693881.

It is an arithmetic number, because the mean of its divisors is an integer number (24377760).

Almost surely, 2^1097161470 is an apocalyptic number.

1097161470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097161470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560176640).

1097161470 is an abundant number, since it is smaller than the sum of its proper divisors (2023191810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1097161470 is a wasteful number, since it uses less digits than its factorization.

1097161470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767 (or 1761 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 1097161470 is about 33123.4278117468. The cubic root of 1097161470 is about 1031.3914239103.

The spelling of 1097161470 in words is "one billion, ninety-seven million, one hundred sixty-one thousand, four hundred seventy".