166036148690 has 16 divisors (see below), whose sum is σ = 298987747992. Its totient is φ = 66387197184.

The previous prime is 166036148689. The next prime is 166036148753. The reversal of 166036148690 is 96841630661.

166036148690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 165013875961 + 1022272729 = 406219^2 + 31973^2 .

It is a super-2 number, since 2×166036148690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3382199 + ... + 3430938.

Almost surely, 2^166036148690 is an apocalyptic number.

166036148690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166036148690 is a deficient number, since it is larger than the sum of its proper divisors (132951599302).

166036148690 is a wasteful number, since it uses less digits than its factorization.

166036148690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6815581.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 166036148690 in words is "one hundred sixty-six billion, thirty-six million, one hundred forty-eight thousand, six hundred ninety".