610038081684891 has 6 divisors (see below), whose sum is σ = 881166117989300. Its totient is φ = 406692054456588.

The previous prime is 610038081684883. The next prime is 610038081684979. The reversal of 610038081684891 is 198486180830016.

610038081684891 is a `hidden beast` number, since 6 + 1 + 0 + 0 + 380 + 8 + 168 + 4 + 8 + 91 = 666.

It is not a de Polignac number, because 610038081684891 - 2³ = 610038081684883 is a prime.

It is a super-2 number, since 2×610038081684891² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610038081684391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33891004538041 + ... + 33891004538058.

Almost surely, 2^{610038081684891} is an apocalyptic number.

610038081684891 is a deficient number, since it is larger than the sum of its proper divisors (271128036304409).

610038081684891 is a wasteful number, since it uses less digits than its factorization.

610038081684891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67782009076105 (or 67782009076102 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 63.

The spelling of 610038081684891 in words is "six hundred ten trillion, thirty-eight billion, eighty-one million, six hundred eighty-four thousand, eight hundred ninety-one".