61010164 has 6 divisors (see below), whose sum is σ = 106767794. Its totient is φ = 30505080.

The previous prime is 61010149. The next prime is 61010179. The reversal of 61010164 is 46101016.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61010149) and next prime (61010179).

It can be written as a sum of positive squares in only one way, i.e., 40832100 + 20178064 = 6390^2 + 4492^2 .

It is a super-2 number, since 2×61010164² = 7444480222613792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7626267 + ... + 7626274.

Almost surely, 2^61010164 is an apocalyptic number.

It is an amenable number.

61010164 is a deficient number, since it is larger than the sum of its proper divisors (45757630).

61010164 is a wasteful number, since it uses less digits than its factorization.

61010164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15252545 (or 15252543 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 61010164 is about 7810.9003322280. The cubic root of 61010164 is about 393.6715807886.

The spelling of 61010164 in words is "sixty-one million, ten thousand, one hundred sixty-four".