61352660454 has 16 divisors (see below), whose sum is σ = 122715453360. Its totient is φ = 20449198080.

The previous prime is 61352660431. The next prime is 61352660483. The reversal of 61352660454 is 45406625316.

It is a super-2 number, since 2×61352660454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342307 + ... + 489774.

It is an arithmetic number, because the mean of its divisors is an integer number (7669715835).

Almost surely, 2^61352660454 is an apocalyptic number.

61352660454 is an abundant number, since it is smaller than the sum of its proper divisors (61362792906).

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

61352660454 is a wasteful number, since it uses less digits than its factorization.

61352660454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844375.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 61352660454 in words is "sixty-one billion, three hundred fifty-two million, six hundred sixty thousand, four hundred fifty-four".