1661160088 has 32 divisors (see below), whose sum is σ = 3585254400. Its totient is φ = 706800672.

The previous prime is 1661160037. The next prime is 1661160121. The reversal of 1661160088 is 8800611661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98920 + ... + 114487.

It is an arithmetic number, because the mean of its divisors is an integer number (112039200).

Almost surely, 2^1661160088 is an apocalyptic number.

It is an amenable number.

1661160088 is an abundant number, since it is smaller than the sum of its proper divisors (1924094312).

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

1661160088 is a wasteful number, since it uses less digits than its factorization.

1661160088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213559 (or 213555 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1661160088 is about 40757.3317085405. The cubic root of 1661160088 is about 1184.3239066176.

The spelling of 1661160088 in words is "one billion, six hundred sixty-one million, one hundred sixty thousand, eighty-eight".