1613139417672 has 16 divisors (see below), whose sum is σ = 4032848544240. Its totient is φ = 537713139216.

The previous prime is 1613139417671. The next prime is 1613139417763. The reversal of 1613139417672 is 2767149313161.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1613139417671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33607071178 + ... + 33607071225.

It is an arithmetic number, because the mean of its divisors is an integer number (252053034015).

Almost surely, 2^{1613139417672} is an apocalyptic number.

1613139417672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1613139417672 is an abundant number, since it is smaller than the sum of its proper divisors (2419709126568).

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

1613139417672 is a wasteful number, since it uses less digits than its factorization.

1613139417672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67214142412 (or 67214142408 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The spelling of 1613139417672 in words is "one trillion, six hundred thirteen billion, one hundred thirty-nine million, four hundred seventeen thousand, six hundred seventy-two".