67612658061 has 32 divisors (see below), whose sum is σ = 100086594048. Its totient is φ = 40334261760.

The previous prime is 67612658059. The next prime is 67612658081. The reversal of 67612658061 is 16085621676.

It is not a de Polignac number, because 67612658061 - 2¹ = 67612658059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67612658061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67612658041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116380 + ... + 385706.

It is an arithmetic number, because the mean of its divisors is an integer number (3127706064).

Almost surely, 2^67612658061 is an apocalyptic number.

It is an amenable number.

67612658061 is a deficient number, since it is larger than the sum of its proper divisors (32473935987).

67612658061 is a wasteful number, since it uses less digits than its factorization.

67612658061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269541.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 67612658061 in words is "sixty-seven billion, six hundred twelve million, six hundred fifty-eight thousand, sixty-one".