4621540670656 has 168 divisors, whose sum is σ = 12164594432256. Its totient is φ = 1720754380800.

The previous prime is 4621540670623. The next prime is 4621540670729. The reversal of 4621540670656 is 6560760451264.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2641120 + ... + 4027231.

It is an arithmetic number, because the mean of its divisors is an integer number (72408300192).

Almost surely, 2^{4621540670656} is an apocalyptic number.

It is an amenable number.

4621540670656 is an abundant number, since it is smaller than the sum of its proper divisors (7543053761600).

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

4621540670656 is a wasteful number, since it uses less digits than its factorization.

4621540670656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668407 (or 6668390 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 4621540670656 in words is "four trillion, six hundred twenty-one billion, five hundred forty million, six hundred seventy thousand, six hundred fifty-six".