4131661530 has 64 divisors (see below), whose sum is σ = 10593768960. Its totient is φ = 1028199744.

The previous prime is 4131661517. The next prime is 4131661543. The reversal of 4131661530 is 351661314.

4131661530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4131661517) and next prime (4131661543).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15904 + ... + 92283.

It is an arithmetic number, because the mean of its divisors is an integer number (165527640).

Almost surely, 2^4131661530 is an apocalyptic number.

4131661530 is an abundant number, since it is smaller than the sum of its proper divisors (6462107430).

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

4131661530 is a wasteful number, since it uses less digits than its factorization.

4131661530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108283.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 4131661530 is about 64278.0019135629. The cubic root of 4131661530 is about 1604.6300172991.

The spelling of 4131661530 in words is "four billion, one hundred thirty-one million, six hundred sixty-one thousand, five hundred thirty".