67620405352563 has 24 divisors (see below), whose sum is σ = 112008316519008. Its totient is φ = 38508353695872.

The previous prime is 67620405352561. The next prime is 67620405352579. The reversal of 67620405352563 is 36525350402676.

67620405352563 is a `hidden beast` number, since 6 + 7 + 6 + 2 + 0 + 4 + 0 + 53 + 525 + 63 = 666.

It is not a de Polignac number, because 67620405352563 - 2¹ = 67620405352561 is a prime.

It is a super-3 number, since 3×67620405352563³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (67620405352561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1831619370 + ... + 1831656287.

It is an arithmetic number, because the mean of its divisors is an integer number (4667013188292).

Almost surely, 2^{67620405352563} is an apocalyptic number.

67620405352563 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

67620405352563 is a deficient number, since it is larger than the sum of its proper divisors (44387911166445).

67620405352563 is a wasteful number, since it uses less digits than its factorization.

67620405352563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663275963 (or 3663275960 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 54.

The spelling of 67620405352563 in words is "sixty-seven trillion, six hundred twenty billion, four hundred five million, three hundred fifty-two thousand, five hundred sixty-three".