190437061 has 8 divisors (see below), whose sum is σ = 198387200. Its totient is φ = 182599920.

The previous prime is 190437047. The next prime is 190437083. The reversal of 190437061 is 160734091.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 190437061 - 2⁵ = 190437029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190437001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24801 + ... + 31558.

It is an arithmetic number, because the mean of its divisors is an integer number (24798400).

Almost surely, 2^190437061 is an apocalyptic number.

190437061 is the 6172-nd centered decagonal number.

It is an amenable number.

190437061 is a deficient number, since it is larger than the sum of its proper divisors (7950139).

190437061 is a wasteful number, since it uses less digits than its factorization.

190437061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56499.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 190437061 is about 13799.8935140819. The cubic root of 190437061 is about 575.3301806234.

The spelling of 190437061 in words is "one hundred ninety million, four hundred thirty-seven thousand, sixty-one".