61632162731477 has 8 divisors (see below), whose sum is σ = 66475684267776. Its totient is φ = 56803296329712.

The previous prime is 61632162731467. The next prime is 61632162731509. The reversal of 61632162731477 is 77413726123616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61632162731477 - 2³⁰ = 61631088989653 is a prime.

It is a super-3 number, since 3×61632162731477³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61632162731407) 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, 3663774893 + ... + 3663791714.

It is an arithmetic number, because the mean of its divisors is an integer number (8309460533472).

Almost surely, 2^{61632162731477} is an apocalyptic number.

It is an amenable number.

61632162731477 is a deficient number, since it is larger than the sum of its proper divisors (4843521536299).

61632162731477 is a wasteful number, since it uses less digits than its factorization.

61632162731477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7327567267.

The product of its digits is 10668672, while the sum is 56.

The spelling of 61632162731477 in words is "sixty-one trillion, six hundred thirty-two billion, one hundred sixty-two million, seven hundred thirty-one thousand, four hundred seventy-seven".