461951673140118 has 16 divisors (see below), whose sum is σ = 1055889538606080. Its totient is φ = 131986192325736.

The previous prime is 461951673140099. The next prime is 461951673140123. The reversal of 461951673140118 is 811041376159164.

It is a super-2 number, since 2×461951673140118² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5499424680198 + ... + 5499424680281.

It is an arithmetic number, because the mean of its divisors is an integer number (65993096162880).

Almost surely, 2^{461951673140118} is an apocalyptic number.

461951673140118 is an abundant number, since it is smaller than the sum of its proper divisors (593937865465962).

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

461951673140118 is a wasteful number, since it uses less digits than its factorization.

461951673140118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10998849360491.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 461951673140118 in words is "four hundred sixty-one trillion, nine hundred fifty-one billion, six hundred seventy-three million, one hundred forty thousand, one hundred eighteen".