67253566016 has 56 divisors (see below), whose sum is σ = 164253915840. Its totient is φ = 26605804032.

The previous prime is 67253565979. The next prime is 67253566019. The reversal of 67253566016 is 61066535276.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×67253566016² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67253566019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5768006 + ... + 5779653.

It is an arithmetic number, because the mean of its divisors is an integer number (2933105640).

Almost surely, 2^67253566016 is an apocalyptic number.

It is an amenable number.

67253566016 is an abundant number, since it is smaller than the sum of its proper divisors (97000349824).

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

67253566016 is a wasteful number, since it uses less digits than its factorization.

67253566016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11547691 (or 11547681 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 67253566016 in words is "sixty-seven billion, two hundred fifty-three million, five hundred sixty-six thousand, sixteen".