36977778140161 has 4 divisors (see below), whose sum is σ = 37171379073024. Its totient is φ = 36784177207300.

The previous prime is 36977778140159. The next prime is 36977778140183. The reversal of 36977778140161 is 16104187777963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36977778140161 - 2¹ = 36977778140159 is a prime.

It is a super-2 number, since 2×36977778140161² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36977778144161) 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 3 ways as a sum of consecutive naturals, for example, 96800466145 + ... + 96800466526.

It is an arithmetic number, because the mean of its divisors is an integer number (9292844768256).

Almost surely, 2^{36977778140161} is an apocalyptic number.

It is an amenable number.

36977778140161 is a deficient number, since it is larger than the sum of its proper divisors (193600932863).

36977778140161 is a wasteful number, since it uses less digits than its factorization.

36977778140161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193600932862.

The product of its (nonzero) digits is 74680704, while the sum is 67.

The spelling of 36977778140161 in words is "thirty-six trillion, nine hundred seventy-seven billion, seven hundred seventy-eight million, one hundred forty thousand, one hundred sixty-one".