4640158499181 has 32 divisors (see below), whose sum is σ = 6572838182400. Its totient is φ = 2906579934720.

The previous prime is 4640158499149. The next prime is 4640158499203. The reversal of 4640158499181 is 1819948510464.

It is not a de Polignac number, because 4640158499181 - 2⁵ = 4640158499149 is a prime.

It is a super-2 number, since 2×4640158499181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640158491181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222261 + ... + 3054458.

It is an arithmetic number, because the mean of its divisors is an integer number (205401193200).

Almost surely, 2^{4640158499181} is an apocalyptic number.

4640158499181 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4640158499181 is a deficient number, since it is larger than the sum of its proper divisors (1932679683219).

4640158499181 is a wasteful number, since it uses less digits than its factorization.

4640158499181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277189.

The product of its (nonzero) digits is 9953280, while the sum is 60.

The spelling of 4640158499181 in words is "four trillion, six hundred forty billion, one hundred fifty-eight million, four hundred ninety-nine thousand, one hundred eighty-one".