148661464664 has 32 divisors (see below), whose sum is σ = 280387380000. Its totient is φ = 73892155392.

The previous prime is 148661464649. The next prime is 148661464691. The reversal of 148661464664 is 466464166841.

It is a happy number.

It is a congruent number.

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, 1795082 + ... + 1876070.

It is an arithmetic number, because the mean of its divisors is an integer number (8762105625).

Almost surely, 2^148661464664 is an apocalyptic number.

It is an amenable number.

148661464664 is a deficient number, since it is larger than the sum of its proper divisors (131725915336).

148661464664 is a wasteful number, since it uses less digits than its factorization.

148661464664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82347 (or 82343 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 56.

The spelling of 148661464664 in words is "one hundred forty-eight billion, six hundred sixty-one million, four hundred sixty-four thousand, six hundred sixty-four".