1172162064 has 80 divisors (see below), whose sum is σ = 3171975552. Its totient is φ = 372286464.

The previous prime is 1172162051. The next prime is 1172162071. The reversal of 1172162064 is 4602612711.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303892 + ... + 307724.

Almost surely, 2^1172162064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1172162064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585987776).

1172162064 is an abundant number, since it is smaller than the sum of its proper divisors (1999813488).

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

1172162064 is a wasteful number, since it uses less digits than its factorization.

1172162064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4144 (or 4138 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1172162064 is about 34236.8524254202. The cubic root of 1172162064 is about 1054.3769114094.

Adding to 1172162064 its reverse (4602612711), we get a palindrome (5774774775).

The spelling of 1172162064 in words is "one billion, one hundred seventy-two million, one hundred sixty-two thousand, sixty-four".