1651948058881 has 16 divisors (see below), whose sum is σ = 1728312163200. Its totient is φ = 1575963785088.

The previous prime is 1651948058879. The next prime is 1651948058897. The reversal of 1651948058881 is 1888508491561.

It is a cyclic number.

It is not a de Polignac number, because 1651948058881 - 2¹ = 1651948058879 is a prime.

It is a super-2 number, since 2×1651948058881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1651948058861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62421030 + ... + 62447488.

It is an arithmetic number, because the mean of its divisors is an integer number (108019510200).

Almost surely, 2^{1651948058881} is an apocalyptic number.

It is an amenable number.

1651948058881 is a deficient number, since it is larger than the sum of its proper divisors (76364104319).

1651948058881 is a wasteful number, since it uses less digits than its factorization.

1651948058881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33528.

The product of its (nonzero) digits is 22118400, while the sum is 64.

The spelling of 1651948058881 in words is "one trillion, six hundred fifty-one billion, nine hundred forty-eight million, fifty-eight thousand, eight hundred eighty-one".