1867115652 has 24 divisors (see below), whose sum is σ = 4430445600. Its totient is φ = 611822976.

The previous prime is 1867115639. The next prime is 1867115659. The reversal of 1867115652 is 2565117681.

1867115652 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1867115652² = 6972241715886770208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1867115659) 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, 1317877 + ... + 1319292.

It is an arithmetic number, because the mean of its divisors is an integer number (184601900).

Almost surely, 2^1867115652 is an apocalyptic number.

1867115652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1867115652 is an abundant number, since it is smaller than the sum of its proper divisors (2563329948).

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

1867115652 is a wasteful number, since it uses less digits than its factorization.

1867115652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637235 (or 2637233 counting only the distinct ones).

The product of its digits is 100800, while the sum is 42.

The square root of 1867115652 is about 43210.1336725542. The cubic root of 1867115652 is about 1231.3752111508.

The spelling of 1867115652 in words is "one billion, eight hundred sixty-seven million, one hundred fifteen thousand, six hundred fifty-two".