1146643860 has 24 divisors (see below), whose sum is σ = 3210602976. Its totient is φ = 305771680.

The previous prime is 1146643853. The next prime is 1146643867. The reversal of 1146643860 is 683466411.

It is an interprime number because it is at equal distance from previous prime (1146643853) and next prime (1146643867).

It is a super-3 number, since 3×1146643860³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146643867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9555306 + ... + 9555425.

It is an arithmetic number, because the mean of its divisors is an integer number (133775124).

Almost surely, 2^1146643860 is an apocalyptic number.

1146643860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1146643860 is an abundant number, since it is smaller than the sum of its proper divisors (2063959116).

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

1146643860 is a wasteful number, since it uses less digits than its factorization.

1146643860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19110743 (or 19110741 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1146643860 is about 33862.1301751677. The cubic root of 1146643860 is about 1046.6693737787.

The spelling of 1146643860 in words is "one billion, one hundred forty-six million, six hundred forty-three thousand, eight hundred sixty".