131672451078 has 96 divisors (see below), whose sum is σ = 334987960320. Its totient is φ = 36589734720.

The previous prime is 131672451061. The next prime is 131672451107. The reversal of 131672451078 is 870154276131.

131672451078 is a `hidden beast` number, since 1 + 3 + 1 + 67 + 2 + 4 + 510 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19385863 + ... + 19392653.

It is an arithmetic number, because the mean of its divisors is an integer number (3489457920).

Almost surely, 2^131672451078 is an apocalyptic number.

131672451078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131672451078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167493980160).

131672451078 is an abundant number, since it is smaller than the sum of its proper divisors (203315509242).

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

131672451078 is a wasteful number, since it uses less digits than its factorization.

131672451078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11002 (or 10999 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 131672451078 in words is "one hundred thirty-one billion, six hundred seventy-two million, four hundred fifty-one thousand, seventy-eight".