164400703077 has 16 divisors (see below), whose sum is σ = 248486893760. Its totient is φ = 95844943872.

The previous prime is 164400702967. The next prime is 164400703087. The reversal of 164400703077 is 770307004461.

It is not a de Polignac number, because 164400703077 - 2¹² = 164400698981 is a prime.

It is a super-3 number, since 3×164400703077³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164400703087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110930908 + ... + 110932389.

It is an arithmetic number, because the mean of its divisors is an integer number (15530430860).

Almost surely, 2^164400703077 is an apocalyptic number.

It is an amenable number.

164400703077 is a deficient number, since it is larger than the sum of its proper divisors (84086190683).

164400703077 is a wasteful number, since it uses less digits than its factorization.

164400703077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221863332.

The product of its (nonzero) digits is 98784, while the sum is 39.

The spelling of 164400703077 in words is "one hundred sixty-four billion, four hundred million, seven hundred three thousand, seventy-seven".