149198211641 has 8 divisors (see below), whose sum is σ = 158622546240. Its totient is φ = 140018665072.

The previous prime is 149198211637. The next prime is 149198211649. The reversal of 149198211641 is 146112891941.

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 149198211641 - 2² = 149198211637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149198211649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61195751 + ... + 61198188.

It is an arithmetic number, because the mean of its divisors is an integer number (19827818280).

Almost surely, 2^149198211641 is an apocalyptic number.

It is an amenable number.

149198211641 is a deficient number, since it is larger than the sum of its proper divisors (9424334599).

149198211641 is a wasteful number, since it uses less digits than its factorization.

149198211641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122394015.

The product of its digits is 124416, while the sum is 47.

The spelling of 149198211641 in words is "one hundred forty-nine billion, one hundred ninety-eight million, two hundred eleven thousand, six hundred forty-one".