190029557761 has 8 divisors (see below), whose sum is σ = 191182812480. Its totient is φ = 188879566512.

The previous prime is 190029557737. The next prime is 190029557779. The reversal of 190029557761 is 167755920091.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190029557761 is a prime.

It is a super-2 number, since 2×190029557761² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190029557699 and 190029557708.

It is not an unprimeable number, because it can be changed into a prime (190029557461) 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, 699006 + ... + 932023.

It is an arithmetic number, because the mean of its divisors is an integer number (23897851560).

Almost surely, 2^190029557761 is an apocalyptic number.

It is an amenable number.

190029557761 is a deficient number, since it is larger than the sum of its proper divisors (1153254719).

190029557761 is a wasteful number, since it uses less digits than its factorization.

190029557761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631735.

The product of its (nonzero) digits is 1190700, while the sum is 52.

The spelling of 190029557761 in words is "one hundred ninety billion, twenty-nine million, five hundred fifty-seven thousand, seven hundred sixty-one".