1161331010 has 16 divisors (see below), whose sum is σ = 2389023936. Its totient is φ = 398170608.

The previous prime is 1161331001. The next prime is 1161331049. The reversal of 1161331010 is 101331611.

It is a self number, because there is not a number n which added to its sum of digits gives 1161331010.

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, 8295152 + ... + 8295291.

It is an arithmetic number, because the mean of its divisors is an integer number (149313996).

Almost surely, 2^1161331010 is an apocalyptic number.

1161331010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161331010 is an abundant number, since it is smaller than the sum of its proper divisors (1227692926).

1161331010 is a wasteful number, since it uses less digits than its factorization.

1161331010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16590457.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1161331010 is about 34078.3070295459. The cubic root of 1161331010 is about 1051.1192931892.

Adding to 1161331010 its reverse (101331611), we get a palindrome (1262662621).

The spelling of 1161331010 in words is "one billion, one hundred sixty-one million, three hundred thirty-one thousand, ten".