148664440661970 has 64 divisors (see below), whose sum is σ = 361042380760320. Its totient is φ = 39172471219200.

The previous prime is 148664440661963. The next prime is 148664440661977. The reversal of 148664440661970 is 79166044466841.

It is a happy number.

148664440661970 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (148664440661963) and next prime (148664440661977).

It is a super-3 number, since 3×148664440661970³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (148664440661977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14390371 + ... + 22459110.

It is an arithmetic number, because the mean of its divisors is an integer number (5641287199380).

Almost surely, 2^{148664440661970} is an apocalyptic number.

148664440661970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148664440661970 is an abundant number, since it is smaller than the sum of its proper divisors (212377940098350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148664440661970 is a wasteful number, since it uses less digits than its factorization.

148664440661970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36851091.

The product of its (nonzero) digits is 167215104, while the sum is 66.

The spelling of 148664440661970 in words is "one hundred forty-eight trillion, six hundred sixty-four billion, four hundred forty million, six hundred sixty-one thousand, nine hundred seventy".