196471648254 has 32 divisors (see below), whose sum is σ = 472713742080. Its totient is φ = 53180295552.

The previous prime is 196471648253. The next prime is 196471648279. The reversal of 196471648254 is 452846174691.

It is a super-2 number, since 2×196471648254² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 196471648194 and 196471648203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196471648253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123101739 + ... + 123103334.

It is an arithmetic number, because the mean of its divisors is an integer number (14772304440).

Almost surely, 2^196471648254 is an apocalyptic number.

196471648254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

196471648254 is an abundant number, since it is smaller than the sum of its proper divisors (276242093826).

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

196471648254 is a wasteful number, since it uses less digits than its factorization.

196471648254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246205104.

The product of its digits is 11612160, while the sum is 57.

The spelling of 196471648254 in words is "one hundred ninety-six billion, four hundred seventy-one million, six hundred forty-eight thousand, two hundred fifty-four".