1161541602 has 24 divisors (see below), whose sum is σ = 2710264284. Its totient is φ = 357397344.

The previous prime is 1161541583. The next prime is 1161541637. The reversal of 1161541602 is 2061451611.

1161541602 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 54 + 1 + 602 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1143724761 + 17816841 = 33819^2 + 4221^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2481693 + ... + 2482160.

Almost surely, 2^1161541602 is an apocalyptic number.

1161541602 is an abundant number, since it is smaller than the sum of its proper divisors (1548722682).

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

1161541602 is a wasteful number, since it uses less digits than its factorization.

1161541602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963874 (or 4963871 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1161541602 is about 34081.3967143367. The cubic root of 1161541602 is about 1051.1828248707.

The spelling of 1161541602 in words is "one billion, one hundred sixty-one million, five hundred forty-one thousand, six hundred two".