562166449778 has 16 divisors (see below), whose sum is σ = 852039173664. Its totient is φ = 278159001120.

The previous prime is 562166449769. The next prime is 562166449829. The reversal of 562166449778 is 877944661265.

562166449778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×562166449778² (a number of 24 digits) contains 22 as substring.

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, 1201268 + ... + 1602303.

It is an arithmetic number, because the mean of its divisors is an integer number (53252448354).

Almost surely, 2^562166449778 is an apocalyptic number.

562166449778 is a deficient number, since it is larger than the sum of its proper divisors (289872723886).

562166449778 is a wasteful number, since it uses less digits than its factorization.

562166449778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804617.

The product of its digits is 121927680, while the sum is 65.

The spelling of 562166449778 in words is "five hundred sixty-two billion, one hundred sixty-six million, four hundred forty-nine thousand, seven hundred seventy-eight".