61654266245616 has 40 divisors (see below), whose sum is σ = 173752932148224. Its totient is φ = 18683110983360.

The previous prime is 61654266245519. The next prime is 61654266245617.

61654266245616 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 61654266245616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61654266245617) 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, 58384721296 + ... + 58384722351.

Almost surely, 2^{61654266245616} is an apocalyptic number.

61654266245616 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

61654266245616 is an abundant number, since it is smaller than the sum of its proper divisors (112098665902608).

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

61654266245616 is a wasteful number, since it uses less digits than its factorization.

61654266245616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116769443669 (or 116769443663 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 60.

The spelling of 61654266245616 in words is "sixty-one trillion, six hundred fifty-four billion, two hundred sixty-six million, two hundred forty-five thousand, six hundred sixteen".