1171606464 has 336 divisors, whose sum is σ = 4075846560. Its totient is φ = 329011200.

The previous prime is 1171606439. The next prime is 1171606489. The reversal of 1171606464 is 4646061711.

It is a happy number.

1171606464 is a `hidden beast` number, since 1 + 1 + 7 + 1 + 6 + 0 + 646 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1171606439) and next prime (1171606489).

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8551804 + ... + 8551940.

Almost surely, 2^1171606464 is an apocalyptic number.

1171606464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1171606464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2037923280).

1171606464 is an abundant number, since it is smaller than the sum of its proper divisors (2904240096).

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

1171606464 is a wasteful number, since it uses less digits than its factorization.

1171606464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1171606464 is about 34228.7374000269. The cubic root of 1171606464 is about 1054.2102949741.

The spelling of 1171606464 in words is "one billion, one hundred seventy-one million, six hundred six thousand, four hundred sixty-four".