190498748551 has 16 divisors (see below), whose sum is σ = 197166348288. Its totient is φ = 183864492000.

The previous prime is 190498748543. The next prime is 190498748593. The reversal of 190498748551 is 155847894091.

It is a cyclic number.

It is not a de Polignac number, because 190498748551 - 2³ = 190498748543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190498748551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190498748521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19270456 + ... + 19280338.

It is an arithmetic number, because the mean of its divisors is an integer number (12322896768).

Almost surely, 2^190498748551 is an apocalyptic number.

190498748551 is a deficient number, since it is larger than the sum of its proper divisors (6667599737).

190498748551 is an equidigital number, since it uses as much as digits as its factorization.

190498748551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11502.

The product of its (nonzero) digits is 14515200, while the sum is 61.

The spelling of 190498748551 in words is "one hundred ninety billion, four hundred ninety-eight million, seven hundred forty-eight thousand, five hundred fifty-one".