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164070902 = 2619132529
BaseRepresentation
bin10011100011110…
…00010111110110
3102102201122222002
421301320113312
5314000232102
624140335302
74031402552
oct1161702766
9372648862
10164070902
1184682996
1246b44532
1327cb7698
1417b0c862
15e60d902
hex9c785f6

164070902 has 8 divisors (see below), whose sum is σ = 246505800. Its totient is φ = 81902304.

The previous prime is 164070887. The next prime is 164070953. The reversal of 164070902 is 209070461.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65027 + ... + 67502.

It is an arithmetic number, because the mean of its divisors is an integer number (30813225).

Almost surely, 2164070902 is an apocalyptic number.

164070902 is a deficient number, since it is larger than the sum of its proper divisors (82434898).

164070902 is a wasteful number, since it uses less digits than its factorization.

164070902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133150.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 164070902 is about 12809.0164337470. The cubic root of 164070902 is about 547.4492375251.

The spelling of 164070902 in words is "one hundred sixty-four million, seventy thousand, nine hundred two".

Divisors: 1 2 619 1238 132529 265058 82035451 164070902